JP7431267B2 - 虚像表示装置およびそれを用いたヘッドマウントディスプレイ - Google Patents
虚像表示装置およびそれを用いたヘッドマウントディスプレイ Download PDFInfo
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Description
の詳細については、後ほど説明する。
tan(αL)=PL/R ---(1)
tan(αR)=PR/R ---(2)
S=WLR/{tan(αL)+tan(αR)}=R×WLR/{PL+PR}---(3)
このような処理手順を逐次実行することにより、使用者100が視認している対象物までの実視認距離をほぼリアルタイムで検知することができる。
VL=VO×(DO-DS)/(DL-DS) ---(4)
VS=VO×(DL-DO)/(DL-DS) ---(5)
なお、VOは、任意距離Doの位置に錯視される虚像の輝度。
tan(γ)=sin(αL-αR)/{cos(αL+αR)+cos(αL-αR)} ---(6)
Claims (5)
- 視認距離の異なる第1の映像光および第2の映像光を生成する生成部と、
前記第1の映像光および前記第2の映像光を使用者の左右両眼に投影し、前記使用者にそれぞれ遠距離基準虚像および近距離基準虚像として視認させる投影部と、
前記使用者に視認される前記遠距離基準虚像および前記近距離基準虚像が重なるように前記第1の映像光および前記第2の映像光の位置および大きさを制御し、前記遠距離基準虚像および前記近距離基準虚像に基づいて錯視される視認虚像の視認距離と前記遠距離基準虚像の視認距離および近距離基準虚像の視認距離に応じて前記遠距離基準虚像および前記近距離基準虚像の輝度を按分する制御部とを具備し、
前記錯視される視認虚像の視認距離をDO、輝度をVO、前記遠距離基準虚像の視認距離をDL、輝度をVL、前記近距離基準虚像の視認距離をDS、輝度をVS、としたとき、
前記制御部は、
VL=VO×(DO-DS)/(DL-DS)
VS=VO×(DL-DO)/(DL-DS)
となるように、前記遠距離基準虚像および近距離基準虚像の輝度を按分することを特徴とする虚像表示装置。 - 請求項1に記載の虚像表示装置であって、
前記使用者の左右両眼瞳中心の輻輳量から該左右両眼の視線傾斜角を検知し、該視線傾斜角に基づいて前記使用者から前記使用者が注視している対象物までの実視認距離を算定する視認距離検知部を備え、
前記制御部は、前記使用者に錯視される視認虚像の視認距離を、前記実視認距離と適合させることを特徴とする虚像表示装置。 - 請求項1に記載の虚像表示装置であって、
前記第1の映像光および前記第2の映像光は略垂直な偏光方向を有しており、前記生成部内に配置された偏光ビームスプリッタにより前記第1の映像光および前記第2の映像光の光路が分離または合成される構成であることを特徴とする虚像表示装置。 - 請求項1に記載の虚像表示装置であって、
前記投影部は1枚もしくは積層された複数枚の導光板から構成されており、該複数枚の導光板には、それぞれ該導光板内に光波を入射させる機能を備えた入射用ホログラムと前記導光板内を進行する光波を外部に出射させる機能を備えた出射用ホログラムが具備されていることを特徴とする虚像表示装置。 - 請求項1に記載の虚像表示装置であって、
前記虚像表示装置は、ヘッドマウントディスプレイ装置であることを特徴とする虚像表示装置。
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JP7272040B2 (ja) * | 2019-03-25 | 2023-05-12 | セイコーエプソン株式会社 | 装着型表示装置 |
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JP2022086237A (ja) * | 2020-11-30 | 2022-06-09 | セイコーエプソン株式会社 | 虚像表示装置 |
CN115128802A (zh) * | 2021-03-24 | 2022-09-30 | 群创光电股份有限公司 | 影像的显示方法 |
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