JP6938224B2 - 透明表示装置及びその駆動方法 - Google Patents
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Description
100 透明表示パネル
200 角膜反射イメージ抽出部
300 イメージ検出部
400 背景イメージ生成部
CRI 角膜反射イメージ
TI 対象イメージ
FI 平面イメージ
FTI 平面対象イメージ
Pb 背景イメージ
Pc 変換イメージ
Pd 表示イメージ
Claims (20)
- 表示イメージを表示するとともに背景が写るように光を透過する表示領域と、前記表示領域に隣接する非表示領域とに区分される透明表示パネルを駆動する方法であって、
前記表示領域が使用者の角膜に投影されて形成された対象イメージを含む角膜反射イメージを抽出する段階と、
前記角膜の湾曲形状によって歪曲された前記対象イメージを補正して平面対象イメージを生成する段階と、
前記平面対象イメージから前記表示イメージを除去して背景イメージを生成する段階と、
前記透明表示パネルに前記背景イメージを表示する段階と、を含む透明表示装置の駆動方法。 - 前記平面対象イメージを生成する段階は、
前記角膜反射イメージを平面イメージに補正するディワーピング段階と、
前記平面イメージから前記平面対象イメージを抽出する段階と、を含む請求項1に記載の透明表示装置の駆動方法。 - 前記角膜反射イメージは、
前記非表示領域が前記角膜に投影されて形成されたエッジイメージをさらに含み、
前記ディワーピング段階は、
前記エッジイメージを平面エッジイメージに補正する段階を含み、
前記平面対象イメージを抽出する段階は、
前記平面エッジイメージを検出する段階と、
前記平面エッジイメージが囲むイメージを前記平面対象イメージとして特定する段階と、を含む請求項2に記載の透明表示装置の駆動方法。 - 前記平面対象イメージを生成する段階にて、前記平面対象イメージが長方形になるように前期補正または前記抽出が行われる請求項3に記載の透明表示装置の駆動方法。
- 前記平面エッジイメージを検出する段階は、
前記平面エッジイメージの特徴点を時間の経過に連れて逐次、抽出する請求項3に記載の透明表示装置の駆動方法。 - 前記透明表示パネルは、表示パターンを表示し、
前記平面対象イメージを抽出する段階は、
前記表示パターンが前記角膜に投影された表示パターンイメージを検出する段階と、
前記表示パターンイメージに基づいて、前記表示領域の位置を検出して前記平面対象イメージを特定する段階と、を含む請求項2に記載の透明表示装置の駆動方法。 - 前記背景イメージを生成する段階は、
前記平面対象イメージの解像度及び形状を補正して変換イメージを生成する段階と、
前記変換イメージから前記表示イメージを除去する段階と、
前記変換イメージの鮮明度を補正する段階と、を含む請求項1に記載の透明表示装置の駆動方法。 - 前記鮮明度を補正する段階は、
前記表示イメージが除去された前記変換イメージを、前記透明表示パネルの透過率で割ることで補正する請求項7に記載の透明表示装置の駆動方法。 - 前記背景イメージを生成する段階は、
前記変換イメージから前記角膜の反射率によって損失された鮮明度を補正する段階をさらに含む請求項7に記載の透明表示装置の駆動方法。 - 前記背景イメージを生成する段階は、
前記使用者の瞳孔の色相を抽出して、前記瞳孔の光吸収率による彩度変化を補正する段階をさらに含む請求項7に記載の透明表示装置の駆動方法。 - 前記角膜反射イメージを抽出する段階は、
カメラで使用者の目を撮像する段階と、
前記撮像された目から前記角膜反射イメージを生成する段階と、を含む請求項1に記載の透明表示装置の駆動方法。 - 表示イメージを表示するとともに背景が写るように光を透過する表示領域と、前記表示領域に隣接する非表示領域とに区分される透明表示パネルと、
前記表示領域が使用者の角膜に投影された対象イメージを含む角膜反射イメージを抽出する角膜反射イメージ抽出部と、
前記角膜の湾曲形状によって歪曲された前記対象イメージを補正して平面対象イメージを生成するイメージ検出部と、
前記平面対象イメージから前記表示イメージを除去して背景イメージを生成する背景イメージ生成部と、を含む透明表示装置。 - 前記イメージ検出部は、
前記角膜反射イメージを平面イメージに補正するディワーピング部と、
前記平面イメージから前記平面対象イメージを抽出する平面対象イメージ抽出部と、を含む請求項12に記載の透明表示装置。 - 前記角膜反射イメージは、前記非表示領域が前記角膜に投影されて形成されたエッジイメージをさらに含み、
前記ディワーピング部は、前記エッジイメージを平面エッジイメージに補正し、
前記平面対象イメージ抽出部は、
前記平面イメージから前記平面エッジイメージを検出し、前記平面エッジイメージが囲むイメージを、前記平面対象イメージとして特定する請求項13に記載の透明表示装置。 - 前記平面対象イメージ抽出部は、前記平面エッジイメージの特徴点を時間の経過に連れて逐次、抽出する請求項14に記載の透明表示装置。
- 前記透明表示パネルは、表示パターンを表示し、
前記平面対象イメージ抽出部は、
前記表示パターンが前記角膜に投影された表示パターンイメージを検出し、前記表示パターンイメージに基づいて前記表示領域の位置を検出して前記平面対象イメージを特定する請求項13に記載の透明表示装置。 - 前記背景イメージ生成部は、
前記平面対象イメージの解像度及び形状を補正して変換イメージを生成する変調部と、
前記変換イメージから前記表示イメージを除去し、鮮明度を補正して前記背景イメージを生成する算出部と、を含む請求項12に記載の透明表示装置。 - 前記算出部は、
前記表示イメージが除去された前記変換イメージを前記透明表示パネルの透過率で割ることで補正する請求項17に記載の透明表示装置。 - 前記角膜反射イメージ抽出部は、
前記非表示領域上に配置される前面カメラを含む請求項12に記載の透明表示装置。 - 前記透明表示パネルは、互いに絶縁されて交差するゲートライン及びデータラインを含み、
前記背景イメージ及び前記表示イメージを受信して前記データラインにデータ電圧を出力するデータドライバーをさらに含む請求項12に記載の透明表示装置。
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