Systems and methods for improving the brightness of a building-window transparent display using supplemental light sources that include ambient light collected by an array of diffraction gratings

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United States of America Patent

PATENT NO 12055745
APP PUB NO 20240176058A1
SERIAL NO

18071967

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Abstract

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Systems and methods for improving the brightness of a transparent display are disclosed herein. One embodiment collects ambient light using an array of diffraction gratings disposed on an external surface of a building; filters the ambient light to produce filtered ambient light; generates primary-source light using a light-emitting-diode (LED) light source; and injects, into a transparent edge-lit liquid crystal waveguide display deployed in at least a portion of a window of the building, the primary-source light and the filtered ambient light in a color-synchronized manner. The filtered ambient light improves the brightness of the transparent edge-lit liquid crystal waveguide display.

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Patent Owner(s)

Patent OwnerAddress
TOYOTA JIDOSHA KABUSHIKI KAISHA1 TOYOTA-CHO TOYOTA-SHI AICHI-KEN 471-8571
DENSO CORPORATION1-1 SHOWA-CHO KARIYA-CITY AICHI-PREF 448-8661
MIRISE TECHNOLOGIES CORPORATION500-1 MINAMIYAMA KOMENOKI-CHO NISSHIN-SHI AICHI-KEN 470-0111

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ando, Hiroshi Nagoya, JP 180 2805
Dede, Ercan Mehmet Ann Arbor, US 176 1306
Kawauchi, Masaaki Chita County, JP 8 7
Lohan, Danny J Northville, US 32 20
Rodrigues, Sean P Ann Arbor, US 44 46
Tachi, Kojiro Nagakute, JP 10 19

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