JP7320921B2 - 視野角制御デバイスおよびディスプレイ装置 - Google Patents
視野角制御デバイスおよびディスプレイ装置 Download PDFInfo
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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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- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
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- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
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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
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- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
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- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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Description
本発明は、出願番号が201610500778.8であり、出願日が2016年6月29日である中国出願特許を基に提出するものであり、当該中国特許出願の優先権を主張し、当該中国特許出願の全ての内容は、参考のため本願に援用する。
Claims (18)
- 視野角制御デバイスであって、
前記視野角制御デバイスは、視認面上の視野角を制御でき、
前記視野角制御デバイスは、
前記視認面上に位置する透明基板と、
少なくとも1つの光源とを備え、
前記少なくとも1つの光源のうちの各光源は、前記透明基板の側面上に位置され、作動している時に光を前記側面から前記透明基板にまで放射するよう構成され、
前記透明基板に複数のドットが設置しており、前記複数のドットは、前記少なくとも1つの光源からの光を散乱し、前記少なくとも1つの光源を作動または停止することにより、前記視認面上の前記視野角を切り替えるよう構成され、
前記透明基板は少なくとも1つの第1領域を備え、
各第1領域は1つの光源に対応しており、前記1つの光源が位置する前記透明基板の側面と反対側に位置し、
前記複数のドットにおける第1部分集合は前記各第1領域内に配置されており、前記1つの光源からの光を散乱し、散乱光を主に前記各第1領域から放射するよう構成され、このため、前記1つの光源が位置する前記透明基板の側面と反対側からの側視を干渉し、
前記透明基板は、前記少なくとも2つの第1領域の間に位置する第2領域をさらに備え、
前記複数のドットの第2部分集合は、前記第2領域内に配置され、前記各第1領域内にある前記複数のドットの前記第1部分集合の密度より低くなるよう構成されることを特徴とする視野角制御デバイス。 - 前記各第1領域内にある前記複数のドットにおける前記第1部分集合のドット中の各々を前記透明基板内部に設置することを特徴とする請求項1に記載の視野角制御デバイス。
- 前記各第1領域内にある前記複数のドットにおける前記第1部分集合のドット中の各々を前記透明基板の前記視認面を向いている第1表面上に設置することを特徴とする請求項1または請求項2に記載の視野角制御デバイス。
- 前記各第1領域は、平行線状に配置された複数のサブ領域を含み、前記複数のサブ領域内の各々は対応する前記側面と基本的に同様の延伸方向を有し、
前記複数のサブ領域は、第1サブ領域に含まれる網点ドットの密度が、前記1つの光源に更に近い第2サブ領域に含まれる網点ドットの密度より高くなるよう構成されることを特徴とする請求項1から請求項3のいずれか一項に記載の視野角制御デバイス。 - 前記各第1領域内にある前記複数のドットの前記第1部分集合を列状に並べ、各列は対応する前記側面と基本的に同様の延伸方向を有することを特徴とする請求項1から請求項4のいずれか一項に記載の視野角制御デバイス。
- 前記各第1領域内にある前記複数のドットの前記第1部分集合は、第1列が含むドットの数量を前記1つの光源に更に近い第2列が含むドットの数量より大きくなるよう構成されることを特徴とする請求項5に記載の視野角制御デバイス。
- 前記複数のドットの前記第1部分集合は、
ドットの各列が同数量のドットを含み、
各2つの隣接するドット列間の距離が、両者間の中心線からの距離に対応する前記側面の距離の増加に伴い減少する
よう構成されることを特徴とする請求項5に記載の視野角制御デバイス。 - 前記複数のドットの前記第1部分集合は、各ドット列が基本的に同様の距離を有するよう構成されることを特徴とする請求項5に記載の視野角制御デバイス。
- 各光源について、前記透明基板の対応する側面は、前記各光源までの距離が、前記視認面の前記各光源に最も近いサイドラインの前記透明基板上の正投影の前記各光源までの距離より短くなるよう構成されることを特徴とする請求項1に記載の視野角制御デバイス。
- それぞれ前記少なくとも1つの光源に対応する少なくとも1つの遮断部をさらに備え、
前記少なくとも1つの遮断部の各遮断部は、前記透明基板の前記視認面の対向側の表面上に設置されており、かつ、前記透明基板の対応する側面と前記視認面に対応する光源に最も近いサイドラインの前記透明基板上にある正投影の間の領域内に設置されており、前記領域から放射した散乱光を遮るよう構成されることを特徴とする請求項9に記載の視野角制御デバイス。 - 前記透明基板は、ガラスまたはポリマープラスチックの組成物を備えることを特徴とする請求項1に記載の視野角制御デバイス。
- 前記透明基板はアクリルまたはポリカーボネートのどちらかから選択したポリマープラスチックの組成物を備えることを特徴とする請求項11に記載の視野角制御デバイス。
- 前記複数のドットの各ドットをマイクロメートルレベルからナノメートルレベルまでの範囲のサイズを有するよう構成されることを特徴とする請求項1に記載の視野角制御デバイス。
- 前記視認面とは、ディスプレイパネルの表示面を指すことを特徴とする請求項1に記載の視野角制御デバイス。
- 前記少なくとも2つの光源を互いに独立して作動又は停止するよう構成されることを特徴とする請求項1に記載の視野角制御デバイス。
- 前記少なくとも1つの光源は2つの光源を含むことができ、前記2つの光源は、それぞれ前記透明基板の2つの対向側の側面上に設置されることを特徴とする請求項1に記載の視野角制御デバイス。
- ディスプレイパネルと、
請求項1から14のいずれか1つに記載の視野角制御デバイスとを備え、
前記視野角制御デバイスの前記透明基板は、前記ディスプレイパネルの表示面に設置されており、前記ディスプレイパネルの前記表示面をカバーすることを特徴とするディスプレイ装置。 - 前記ディスプレイパネルは矩形であり、
前記視野角制御デバイスは2つの光源を含み、当該2つの光源それぞれは、前記透明基板の2つの対向側の側面上に設置されることを特徴とする請求項17に記載のディスプレイ装置。
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105911746B (zh) * | 2016-06-29 | 2017-10-13 | 京东方科技集团股份有限公司 | 显示装置及其视角切换方法 |
CN109445225B (zh) * | 2017-08-24 | 2020-07-14 | 京东方科技集团股份有限公司 | 一种显示器件及显示装置 |
CN110361889B (zh) * | 2019-08-30 | 2022-07-29 | 上海中航光电子有限公司 | 一种显示装置、显示***及显示方法 |
CN113625373A (zh) * | 2020-05-06 | 2021-11-09 | 中强光电股份有限公司 | 显示装置、视角限制器及其制造方法 |
DE102021200857A1 (de) * | 2020-05-15 | 2021-11-18 | Continental Automotive Gmbh | Anzeigeelement mit im Randbereich reduzierter Hintergrundbeleuchtung |
CN112015006B (zh) * | 2020-09-14 | 2022-07-12 | 武汉华星光电技术有限公司 | 可弯折背光模组及显示面板 |
TWM623305U (zh) | 2021-10-06 | 2022-02-11 | 誠屏科技股份有限公司 | 顯示裝置 |
TWI830253B (zh) | 2022-06-15 | 2024-01-21 | 誠屏科技股份有限公司 | 防窺顯示裝置及防窺方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008300206A (ja) | 2007-05-31 | 2008-12-11 | Seiko Instruments Inc | 照明装置およびこれを用いた表示装置 |
JP2012515416A (ja) | 2009-01-13 | 2012-07-05 | クォルコム・メムズ・テクノロジーズ・インコーポレーテッド | 大面積光パネル及びスクリーン |
JP2013543989A (ja) | 2010-10-28 | 2013-12-09 | コーニング インコーポレイテッド | ビデオスクリーンカバーガラス照明 |
WO2015121398A1 (de) | 2014-02-17 | 2015-08-20 | Sioptica Gmbh | Schaltbare beleuchtungseinrichtung und deren verwendung |
US20170176809A1 (en) | 2015-08-06 | 2017-06-22 | Boe Technology Group Co., Ltd. | Anti-Peep Structure, Display Panel, Backlight Module and Display Device |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0575737U (ja) * | 1992-03-16 | 1993-10-15 | 株式会社エンプラス | 面光源装置 |
DE69303073T2 (de) * | 1992-03-16 | 1996-10-10 | Enplas Corp | Flache Lichtquelleneinrichtung |
GB2267378B (en) * | 1992-05-22 | 1996-07-10 | Nokia Mobile Phones Uk | Illuminated LCD apparatus |
JP4024769B2 (ja) * | 2004-03-11 | 2007-12-19 | シャープ株式会社 | 液晶表示パネルおよび液晶表示装置 |
JP4351125B2 (ja) * | 2004-08-30 | 2009-10-28 | 株式会社オリンピア | 遊技機の発光装置 |
GB2428303A (en) * | 2005-07-08 | 2007-01-24 | Sharp Kk | An illumination system for switching a display between a public and private viewing mode |
US7502091B2 (en) * | 2005-08-05 | 2009-03-10 | Toshiba Matsushita Display Technology Co., Ltd. | Optical sheet, electric-field-controlled panel, lighting apparatus, liquid crystal display, and method of manufacturing an optical sheet |
JP4771065B2 (ja) | 2005-09-30 | 2011-09-14 | ゲットナー・ファンデーション・エルエルシー | 光源装置、表示装置及び端末装置 |
JP4995195B2 (ja) * | 2006-05-31 | 2012-08-08 | シャープ株式会社 | 表示装置システム |
CN101261389B (zh) * | 2007-03-06 | 2011-06-15 | 奇美电子股份有限公司 | 背光模块及其应用 |
KR20100116079A (ko) * | 2009-04-21 | 2010-10-29 | 삼성전자주식회사 | 가변 확산 필름을 갖는 표시장치 |
JP2011007892A (ja) * | 2009-06-24 | 2011-01-13 | Mitsubishi Electric Corp | 表示装置および前記表示装置に設けられた表示用筐体の製造方法 |
JP5045826B2 (ja) * | 2010-03-31 | 2012-10-10 | ソニー株式会社 | 光源デバイスおよび立体表示装置 |
JP2012008700A (ja) | 2010-06-23 | 2012-01-12 | Oki Electric Ind Co Ltd | 表示装置及び自動取引装置 |
US20140043377A1 (en) * | 2011-04-22 | 2014-02-13 | Sharp Kabushiki Kaisha | Backlight unit and display device |
JP2012234692A (ja) * | 2011-04-28 | 2012-11-29 | Sumitomo Chemical Co Ltd | 光学シート |
EP2707765A1 (en) * | 2011-05-13 | 2014-03-19 | 3M Innovative Properties Company | Back-lit transmissive display having variable index light extraction layer |
JP2012252249A (ja) * | 2011-06-06 | 2012-12-20 | Sony Corp | 光源デバイスおよび表示装置 |
JP5663434B2 (ja) * | 2011-08-15 | 2015-02-04 | 株式会社ジャパンディスプレイ | 表示装置 |
TWI476482B (zh) * | 2012-02-06 | 2015-03-11 | Innocom Tech Shenzhen Co Ltd | 液晶顯示器 |
JP2014103049A (ja) * | 2012-11-21 | 2014-06-05 | Sony Corp | 光源デバイスおよび表示装置、ならびに電子機器 |
JP2015069792A (ja) * | 2013-09-27 | 2015-04-13 | 凸版印刷株式会社 | 導光体、照明装置、および表示装置 |
KR102202454B1 (ko) * | 2013-11-29 | 2021-01-14 | 엘지디스플레이 주식회사 | 박막형 시야 범위 조절 백 라이트 유닛 및 이를 이용한 박막 평판형 시야 범위 조절 표시장치 |
USRE49613E1 (en) * | 2015-11-27 | 2023-08-15 | Sioptica Gmbh | Screen for a free and restricted operating mode |
CN105700065B (zh) * | 2016-04-22 | 2019-05-07 | 京东方科技集团股份有限公司 | 导光板、背光模组和显示装置 |
CN105911746B (zh) * | 2016-06-29 | 2017-10-13 | 京东方科技集团股份有限公司 | 显示装置及其视角切换方法 |
CN205720991U (zh) * | 2016-06-29 | 2016-11-23 | 京东方科技集团股份有限公司 | 显示装置 |
-
2016
- 2016-06-29 CN CN201610500778.8A patent/CN105911746B/zh active Active
-
2017
- 2017-06-16 KR KR1020187000657A patent/KR102066061B1/ko active IP Right Grant
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- 2017-06-16 EP EP17819113.6A patent/EP3479168B1/en active Active
- 2017-06-16 WO PCT/CN2017/088552 patent/WO2018001116A1/en unknown
- 2017-06-16 US US15/576,685 patent/US10495906B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008300206A (ja) | 2007-05-31 | 2008-12-11 | Seiko Instruments Inc | 照明装置およびこれを用いた表示装置 |
JP2012515416A (ja) | 2009-01-13 | 2012-07-05 | クォルコム・メムズ・テクノロジーズ・インコーポレーテッド | 大面積光パネル及びスクリーン |
JP2013543989A (ja) | 2010-10-28 | 2013-12-09 | コーニング インコーポレイテッド | ビデオスクリーンカバーガラス照明 |
WO2015121398A1 (de) | 2014-02-17 | 2015-08-20 | Sioptica Gmbh | Schaltbare beleuchtungseinrichtung und deren verwendung |
US20170176809A1 (en) | 2015-08-06 | 2017-06-22 | Boe Technology Group Co., Ltd. | Anti-Peep Structure, Display Panel, Backlight Module and Display Device |
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