Optical: systems and elements – Projection screen – Unitary sheet comprising plural reflecting areas
Reexamination Certificate
2007-05-22
2007-05-22
Perkey, W. B. (Department: 2851)
Optical: systems and elements
Projection screen
Unitary sheet comprising plural reflecting areas
C359S487030, C359S572000, C359S584000, C359S267000, C359S589000, C359S485050, C359S489040
Reexamination Certificate
active
10880623
ABSTRACT:
The reflex-type screen includes an aluminum film reflecting layer for reflecting incident light, a lower adhesive layer which is made of adhesive agent, a polarization layer for transmitting the polarized light, a upper adhesive layer which is made of adhesive agent, and a surface diffusion layer for transmitting a part of the incident light and diffusing and reflecting anther part of the incident light, and the upper adhesive layer includes a diffusing agent dispersedly.
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Ebata Norimitsu
Maruta Hajime
Niwa Masatoshi
Sawamura Yuji
Arisawa Mfg. Co., Ltd.
Cruz Magda
Osha & Liang LLP
Perkey W. B.
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