FILTER MODULE AND PROJECTION DEVICE

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20200026173A1
SERIAL NO

16507040

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A filter module having at least one filter region is provided. The filter module is pervious to a first color light with a first waveband in a converted light, and filters a second color light with a second waveband in the converted light. The filter module includes an absorptive filter and a dichroic film. The absorptive filter is located at the at least one filter region, and configured to absorb the second color light with the second waveband. The dichroic film is located on the absorptive filter, and is pervious to the first color light and reflects the second color light. The absorptive filter is configured to absorb the second color light coming from the dichroic film, and is pervious to the first color light. The first waveband is greater than a first wavelength, and the second waveband is smaller than the first wavelength. A projection device is also provided.

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Patent Owner(s)

  • CORETRONIC CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Chang-Hsuan Hsin-Chu, TW 13 42
Liao, Chien-Chung Hsin-Chu, TW 46 103

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