Two-piece LCD projection device with light filter function and projection method thereof

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12140854
SERIAL NO

18667744

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Abstract

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Disclosed are a two-piece LCD projection device with light filter function and a method thereof. The method comprises: a yellow light passes through the condenser and then irradiates on the rear Fresnel lens to become a first light beam, and then passes through the first polarizer to become a first polarized light; a blue light is filtered by the blue light filter to form a target yellow light, which is condensed and then imaged on the screen by a dichroic mirror; a blue divergent light is converged by an aspheric lens, and then reflected by a mirror to the rear Fresnel lens, and becomes a second polarized light, then it enters a second set of LCD screens, and then it passes through a second front Fresnel lens and irradiates on the dichroic mirror, reflecting a light with blue wavelength, and imaging the reflected light on the screen for alignment.

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Patent Owner(s)

Patent OwnerAddress
SHENZHEN KEJINMING ELECTRONIC CO LTD518000 FLOOR 1-6 BUILDING B7 YINTIAN INDUSTRIAL ZONE YANTIAN COMMUNITY XIXIANG STREET BAO'AN DISTRICT SHENZHEN CITY GUANGDONG PROVINCE SHENZHEN CITY GUANGDONG PROVINCE 518000

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Guan, Yi Shenzhen, CN 34 491
Zhu, Xianxiong Shenzhen, CN 14 31

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