JP2022020653A - 光学フィルムスタック、可変光源装置、及び顔感知モジュール - Google Patents
光学フィルムスタック、可変光源装置、及び顔感知モジュール Download PDFInfo
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Abstract
Description
図5Aから5F及び図6を参照すると、本実施の形態の光学フィルムスタック200bは、図2Cの光学フィルムスタック200と同様であり、主な違いは以下の通りである。本実施の形態において、光学フィルムスタック200bは、さらに、絶縁フレーム234を備えており、DOE210及び液晶可変分散体220は、それぞれ、絶縁フレーム234の2つの対向する面に配置される。導電構造230bは、絶縁フレーム234によって固定され、第1の検知回路層212、第2の検知回路層221、及び第3の検知回路層223に電気的に接続される、少なくとも1つの鉛フレームを備える。本実施の形態において、鉛フレーム及び絶縁フレーム234は、インサート成形法によって作られ、鉛フレームの一部は、絶縁フレーム234に覆われている。
52 反射光
100 顔感知モジュール
105 可変光源装置
120 カメラ
130 光源
132 光ビーム
200、200a、200b 光学フィルムスタック
210 回折光学素子
211 第1の貫通孔
212 第1の検知回路層
213 金属層
220 液晶可変分散体
221 第2の検知回路層
222 第1の透明基板
223 第3の検知回路層
224 第2の透明基板
225 液晶層
226 第2の貫通孔
227 第3の貫通孔
230、230a、230b 導電構造
232 パッド
233 UVのり
234 絶縁フレーム
235 金属のり
Claims (17)
- 回折光学素子(DOE)と、
前記DOE上に配置される第1の検知回路層と、
前記DOEの傍に配置され、第1の透明基板、前記第1の透明基板上に配置される第2の検知回路層、前記第1の透明基板の傍に配置される第2の透明基板、前記第2の透明基板上に配置される第3の検知回路層、及び前記第1の透明基板及び前記第2の透明基板の間に配置される液晶層を備える、液晶可変分散体と、
前記第1の検知回路層、前記第2の検知回路層、及び前記第3の検知回路層を電気的に接続および短絡させる導電構造と、
を備える光学フィルムスタック。 - 前記DOEは、第1の貫通孔を有し、
前記第1の透明基板は、第2の貫通孔を有し、
前記第2の透明基板は、第3の貫通孔を有し、
前記第1の貫通孔、前記第2の貫通孔、及び前記第3の貫通孔は、互いに繋がっており、
前記導電構造は、前記第1の貫通孔、前記第2の貫通孔、及び前記第3の貫通孔の内部にある、
請求項1の光学フィルムスタック。 - 前記DOEの端は、前記第1の透明基板の端と整列しておらず、
前記第1の透明基板の端は、前記第2の透明基板の端と整列しておらず、
前記導電構造は、前記第1の検知回路層、前記第2の検知回路層、及び前記第3の検知回路層と接触している、
請求項1の光学フィルムスタック。 - 前記DOEの角は、前記第1の透明基板の角と整列しておらず、
前記第1の透明基板の角は、前記第2の透明基板の角と整列しておらず、
前記導電構造は、前記第1の検知回路層、前記第2の検知回路層、及び前記第3の検知回路層と接触している、
請求項1の光学フィルムスタック。 - 絶縁フレームをさらに備え、
前記DOE及び前記液晶可変分散体は、それぞれ、前記絶縁フレームの2つの対向する面に配置され、
前記導電構造は、前記絶縁フレームによって固定され、前記第1の検知回路層、前記第2の検知回路層、及び前記第3の検知回路層に電気的に接続される、少なくとも1つの鉛フレームを備える、
請求項1の光学フィルムスタック。 - 光ビームを照射するように構成される光源と、
光学フィルムスタックであって、前記光ビームの経路上に配置される回折光学素子(DOE)と、前記DOE上に配置される第1の検知回路層と、前記DOEの傍に配置され、前記光ビームの経路上に配置される液晶可変分散体であって、第1の透明基板、前記第1の透明基板上に配置される第2の検知回路層、前記第1の透明基板の傍に配置される第2の透明基板、前記第2の透明基板上に配置される第3の検知回路層、及び前記第1の透明基板及び前記第2の透明基板の間に配置される液晶層を備える、液晶可変分散体と、前記第1の検知回路層、前記第2の検知回路層、及び前記第3の検知回路層を電気的に接続および短絡させる導電構造と、を備える光学フィルムスタックと、
を備える可変光源装置。 - 前記DOEは、第1の貫通孔を有し、
前記第1の透明基板は、第2の貫通孔を有し、
前記第2の透明基板は、第3の貫通孔を有し、
前記第1の貫通孔、前記第2の貫通孔、及び前記第3の貫通孔は、互いに繋がっており、
前記導電構造は、前記第1の貫通孔、前記第2の貫通孔、及び前記第3の貫通孔の内部にある、
請求項6の可変光源装置。 - 前記DOEの端は、前記第1の透明基板の端と整列しておらず、
前記第1の透明基板の端は、前記第2の透明基板の端と整列しておらず、
前記導電構造は、前記第1の検知回路層、前記第2の検知回路層、及び前記第3の検知回路層と接触している、
請求項6の可変光源装置。 - 前記DOEの角は、前記第1の透明基板の角と整列しておらず、
前記第1の透明基板の角は、前記第2の透明基板の角と整列しておらず、
前記導電構造は、前記第1の検知回路層、前記第2の検知回路層、及び前記第3の検知回路層と接触している、
請求項6の可変光源装置。 - 絶縁フレームをさらに備え、
前記DOE及び前記液晶可変分散体は、それぞれ、前記絶縁フレームの2つの対向する面に配置され、
前記導電構造は、前記絶縁フレームによって固定され、前記第1の検知回路層、前記第2の検知回路層、及び前記第3の検知回路層に電気的に接続される、少なくとも1つの鉛フレームを備える、
請求項6の可変光源装置。 - 前記光源は、レーザー照射体である、請求項6から10のいずれか1つの可変光源装置。
- 可変光源装置であって、
光ビームを照射するように構成される光源と、
光学フィルムスタックであって、前記光ビームの経路上に配置される回折光学素子(DOE)と、前記DOE上に配置される第1の検知回路層と、前記DOEの傍に配置され、前記光ビームの経路上に配置される液晶可変分散体であって、第1の透明基板、前記第1の透明基板上に配置される第2の検知回路層、前記第1の透明基板の傍に配置される第2の透明基板、前記第2の透明基板上に配置される第3の検知回路層、及び前記第1の透明基板及び前記第2の透明基板の間に配置される液晶層を備える、液晶可変分散体と、前記第1の検知回路層、前記第2の検知回路層、及び前記第3の検知回路層を電気的に接続および短絡させる導電構造と、を備える光学フィルムスタックと、を備える可変光源装置と、
前記可変光源装置の隣に配置され、前記光学フィルムスタックからの前記光ビームが反射することによって形成される反射光を感知するように構成されるカメラと、
を備える顔感知モジュール。 - 前記DOEは、第1の貫通孔を有し、
前記第1の透明基板は、第2の貫通孔を有し、
前記第2の透明基板は、第3の貫通孔を有し、
前記第1の貫通孔、前記第2の貫通孔、及び前記第3の貫通孔は、互いに繋がっており、
前記導電構造は、前記第1の貫通孔、前記第2の貫通孔、及び前記第3の貫通孔の内部にある、
請求項12の顔感知モジュール。 - 前記DOEの端は、前記第1の透明基板の端と整列しておらず、
前記第1の透明基板の端は、前記第2の透明基板の端と整列しておらず、
前記導電構造は、前記第1の検知回路層、前記第2の検知回路層、及び前記第3の検知回路層と接触している、
請求項12の顔感知モジュール。 - 前記DOEの角は、前記第1の透明基板の角と整列しておらず、
前記第1の透明基板の角は、前記第2の透明基板の角と整列しておらず、
前記導電構造は、前記第1の検知回路層、前記第2の検知回路層、及び前記第3の検知回路層と接触している、
請求項12の顔感知モジュール。 - 絶縁フレームをさらに備え、
前記DOE及び前記液晶可変分散体は、それぞれ、前記絶縁フレームの2つの対向する面に配置され、
前記導電構造は、前記絶縁フレームによって固定され、前記第1の検知回路層、前記第2の検知回路層、及び前記第3の検知回路層に電気的に接続される、少なくとも1つの鉛フレームを備える、
請求項12の顔感知モジュール。 - 前記光源は、レーザー照射体である、請求項12から16のいずれか一項の顔感知モジュール。
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