Filters and mirrors for liquid crystal projectors, such as UV-IR cut filters and polarization conversion elements.
I will explain the roles of each filter and mirror used in liquid crystal projectors.
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basic information
【Usage Examples】 ◯ UV-IR Cut Filter Since liquid crystals are sensitive to heat sources and ultraviolet light, it cuts out the excess light in those areas emitted from the lamp. ◯ Polarization Conversion Element Composed of a PBS (Polarizing Beam Splitter) and a 1/2 wave plate, it allows for the efficient use of light emitted from the lamp. ◯ Reflective Mirror Used in multiple locations within the liquid crystal projector to change the light path by 90 degrees. ◯ Color Separation Mirror (Dichroic Mirror) Light is incident at an angle to reflect specific wavelengths while transmitting light from other regions, thus separating it into three colors. ◯ Color Combining Prism (Cross-Dichroic Prism) Uses four triangular prisms to combine three types of light and output them to the projection lens. ● For more details, please contact us.
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Applications/Examples of results
LCD projector
Company information
Since its establishment in 1946, Nippon Vacuum Optics has been striving to improve optical thin film technology and has consistently pioneered cutting-edge technologies, including the establishment of high-frequency plasma and ion process technologies. The products created through its exceptional technical capabilities and reliable quality management system have gained high reliability across a wide range of fields, from home appliances to information and communication, biotechnology, and space development. Thus, the application areas of optical thin film technology are vast and limitless. As a "problem-solving company" proposing new possibilities for technology, we continue to respond to various themes faced by our customers and pursue customer satisfaction.
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