JP2014535073A - 湾曲したベゼル隠蔽ディスプレイ装置カバーおよびベゼルのないディスプレイ装置 - Google Patents
湾曲したベゼル隠蔽ディスプレイ装置カバーおよびベゼルのないディスプレイ装置 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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- G02F1/13—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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Abstract
Description
δ=γ+arctan(W/GA) (1)
すなわち
GA=W/tan(δ−γ)
である必要がある。ここで、δはプリズムの偏角、γは視野角、Wはベゼル幅、そしてGAはディスプレイパネル12とディスプレイカバー16との間の間隙の距離である。図12はさらに、プリズムがディスプレイカバーのエッジからディスプレイカバーの内側に向かって延在して設けられるべき最小の距離Lが、
L=W+GAtan(γ) (2)
であることを示している。
本例において、ディスプレイカバーのエッジでのディスプレイカバーの接線の角度Φは10°であり、またエッジでの最大間隙GAは10mmであった。プリズム角度θは、14mmの距離Lに亘って65°から0°まで直線的に減少した。ディスプレイ装置のベゼル幅Wは4mmであった。ベゼルが目に見えない視野角の範囲は、約−20°から約+30°の間であることが認められた。
図27および28は、プリズム角度が32°で一定、高さhが8.5mm、および半径Rが7.0mmであるときのシミュレーションの結果を示したものである。図27の鉛直軸X1は、ディスプレイパネル12での位置をミリメートルで示したものである。水平軸X2は、光線がディスプレイカバー16にぶつかる位置である。曲線C0は視野角γが0°、曲線C20は視野角γが20°、さらに曲線C40は視野角γが40°の場合である。図28はベゼル隠蔽ディスプレイカバー16の輪郭と光線60の伝播を示している。図27のグラフでは20°未満の視角のディスプレイ装置での位置が3mmのベゼルサイズ(鎖線で示されている)を超えたままになっているため、このグラフはこの構成で、視角が20°未満の場合のみベゼル14が目に見えないままであることを示している。
図29および30は、第1真直部分71/81が20°の角度に設定されている場合のシミュレーションの結果を描いたものである。図29のグラフは、視野角10°に対応する曲線C10をさらに含んでいる。この事例では、垂直入射で見たときに真直部分71/81を通してベゼル14が目に見えるようになる。しかしながら、プリズムによって、ベゼルのサイズが略3分の1に減少するように縮小される。ベゼル隠蔽ディスプレイカバー16が湾曲していることで生じるいくらかの乱れにこの縮小が加わることで、観察者がベゼル14を認知することは極めて難しくなる。従って、第1真直部分71/81を傾斜させると、ベゼル14は40°の視野角まで目に見えなくなる。目に見えないプール効果(pool effect)に起因して、X1=0での視野角でベゼルが目に見えないことに留意されたい。
別の最適化は、様々なプリズム角度を有したプリズムアレイを提供するものを含み得る。図31および32は、プリズム角度θがベゼル隠蔽ディスプレイカバーのちょうどエッジ位置での60°(すなわち最大プリズム角度θ)から、エッジから12mm離れた(すなわちL=12mm)ゼロまで直線的に変動する事例を示している。真直部分の高さhは減少し、8.5mmの空隙がもたらされ得る。図から分かるように、図31の曲線は図29の曲線に類似しているが、空隙は著しく減少した。
12 ディスプレイパネル
14 ベゼル
16 ベゼル隠蔽ディスプレイカバー
17 周囲部分
18 プリズム部分
20 中心領域
22 プリズム
48 非通過ファセット
50 前ファセット
56 後ファセット
70 カバーガラス
71、81 第1真直部分
72、82 湾曲部分
73、83 第2真直部分
86 エポキシ樹脂
Claims (10)
- ベゼルとディスプレイパネルとを備えているディスプレイ装置に連結するための、ベゼル隠蔽ディスプレイカバーにおいて、
第1表面および第2表面を有する湾曲周囲部分であって、前記ディスプレイ装置の前記ベゼルから、変動する間隙GAだけずれているように構成された、湾曲周囲部分、および、
前記湾曲周囲部分の前記第1表面または前記第2表面のうちの少なくとも1つの表面に、前記湾曲周囲部分のエッジから距離Lまで延在している、第1プリズムアレイ、を含み、
前記第1プリズムアレイの各プリズムが、プリズム角度θを有し、さらに、
前記ディスプレイパネルで生成された前記ベゼル付近の画像の一部を、観察者の目には前記ベゼル上に見えるようにシフトさせるように、前記第1プリズムアレイと前記湾曲周囲部分とが構成されている、ベゼル隠蔽ディスプレイカバー。 - 前記湾曲周囲部分の前記エッジから、前記ベゼル隠蔽ディスプレイカバーの中心へと向かう方向に前記距離Lまで、前記間隙GAが減少するように、前記湾曲周囲部分が、前記ディスプレイパネルに対して凹状の湾曲部を含んでいることを特徴とする請求項1記載のベゼル隠蔽ディスプレイカバー。
- 前記湾曲周囲部分と境を接している中心領域をさらに含み、前記中心領域と前記ディスプレイパネルとの間の前記間隙GAが、前記ベゼル隠蔽ディスプレイカバーが前記ディスプレイ装置に連結されているときに約ゼロであることを特徴とする請求項1または2記載のベゼル隠蔽ディスプレイカバー。
- 前記第1プリズムアレイが、前記湾曲周囲部分の前記第1表面に位置付けられており、かつ前記湾曲周囲部分の前記第1表面が、前記観察者に面していることを特徴とする請求項1から3いずれか1項記載のベゼル隠蔽ディスプレイカバー。
- 前記湾曲周囲部分に第2プリズムアレイをさらに備え、前記第1プリズムアレイおよび前記第2プリズムアレイが、夫々、前記湾曲周囲部分の前記第1表面および前記第2表面に位置付けられていることを特徴とする請求項1から4いずれか1項記載のベゼル隠蔽ディスプレイカバー。
- 前記湾曲周囲部分の前記エッジから、前記ベゼル隠蔽ディスプレイカバーの中心へと向かう方向に長さLまで、前記間隙GAが増加するように、前記湾曲周囲部分が、前記ディスプレイパネルに対して凸状の湾曲部を含んでいることを特徴とする請求項1記載のベゼル隠蔽ディスプレイカバー。
- 前記湾曲周囲部分が、さらに、
前記ベゼルの表面から延在している、第1真直部分、
前記第1真直部分の端部から延在し、前記第1プリズムアレイが位置している、凸状湾曲部分、および、
前記凸状湾曲部分の端部から延在し、かつ前記ディスプレイパネルに平行な、第2真直部分、
を備えていることを特徴とする請求項1記載のベゼル隠蔽ディスプレイカバー。 - ディスプレイ装置において、
ベゼル隠蔽ディスプレイカバーであって、
湾曲周囲部分と該湾曲周囲部分に境を接している中心領域と、
第1表面および第2表面と、さらに、
前記第1表面または前記第2表面のうちの少なくとも1つに配置され、前記ベゼル隠蔽ディスプレイカバーのエッジから前記ベゼル隠蔽ディスプレイカバーの中心領域に向かって距離Lまで延在している、第1プリズムアレイと、
を含む、ベゼル隠蔽ディスプレイカバー、
バックライト、
前記ベゼル隠蔽ディスプレイカバーの前記第2表面との間に間隙GAが存在するように前記バックライトと前記ベゼル隠蔽ディスプレイカバーとの間に位置付けられた、ディスプレイパネルであって、前記ディスプレイパネルが画像を表示するように構成され、前記湾曲周囲部分が前記ディスプレイパネルに向かって内側に湾曲し、さらに前記間隙GAが前記距離Lの後に実質的にゼロになる、ディスプレイパネル、および、
前記ディスプレイパネルの周囲エッジ周りに配置された、幅Wを有するベゼル、
を備えていることを特徴とするディスプレイ装置。 - 前記湾曲周囲部分と前記ディスプレイパネルとの間に配置されたポリマー材料をさらに含み、該ポリマー材料が、該ポリマー材料中に分散された拡散粒子材料を含むことを特徴とする請求項8記載のディスプレイ装置。
- 前記湾曲周囲部分に第2プリズムアレイをさらに備え、前記第1プリズムアレイおよび前記第2プリズムアレイが、夫々、前記湾曲周囲部分の前記第1表面および前記第2表面に位置付けられていることを特徴とする請求項8または9記載のディスプレイ装置。
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- 2012-10-11 JP JP2014535850A patent/JP6239520B2/ja not_active Expired - Fee Related
- 2012-10-11 JP JP2014535849A patent/JP6261505B2/ja not_active Expired - Fee Related
- 2012-10-11 CN CN201610374404.6A patent/CN106054429B/zh not_active Expired - Fee Related
- 2012-10-11 KR KR1020147011866A patent/KR102001271B1/ko active IP Right Grant
- 2012-10-11 TW TW101137539A patent/TWI624712B/zh not_active IP Right Cessation
- 2012-10-11 CN CN201280049971.4A patent/CN103874956B/zh not_active Expired - Fee Related
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Also Published As
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JP2015501444A (ja) | 2015-01-15 |
WO2013055853A1 (en) | 2013-04-18 |
TWI624712B (zh) | 2018-05-21 |
TW201319685A (zh) | 2013-05-16 |
JP6239520B2 (ja) | 2017-11-29 |
TW201319686A (zh) | 2013-05-16 |
CN103988118A (zh) | 2014-08-13 |
US20130271957A1 (en) | 2013-10-17 |
EP2766771A1 (en) | 2014-08-20 |
JP6261505B2 (ja) | 2018-01-17 |
TWI624711B (zh) | 2018-05-21 |
CN103874956B (zh) | 2018-04-20 |
KR20140071483A (ko) | 2014-06-11 |
KR102001271B1 (ko) | 2019-07-17 |
US9588264B2 (en) | 2017-03-07 |
CN106054429B (zh) | 2019-05-21 |
US20130235560A1 (en) | 2013-09-12 |
EP2766770A1 (en) | 2014-08-20 |
CN106054429A (zh) | 2016-10-26 |
US9244282B2 (en) | 2016-01-26 |
CN103874956A (zh) | 2014-06-18 |
CN103988118B (zh) | 2017-05-31 |
WO2013055852A1 (en) | 2013-04-18 |
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