Sanyo Electric Co., Ltd.

Sanyo Technology Center (shenzhen) Co., Ltd.

Shenzhen Huaqiang Sanyo Technology Design Co., Ltd.

Huawei Technologies Co., Limited

Huawei Digital Power Technologies Co., Ltd.

Xiaolin Mao

Heping Dai

Shoji Okazaki

Yun Wang

Huibin Zhu

Toshihiro Saruwatari

Tadashi Renbutsu

Yanshan Huang

Xiangfei Kong

Yi Jun Guan

Wanjun Zheng

Yanyun Yan

Xiangdong Liang

Dianbo Fu

In a projection image display apparatus, a noise removal filter portionis separated from a power source unit body. The separated noise removal filter portionis provided in the vicinity of a side wall of a housing on which a power source inlet is provided, and of the power source unit body, respectively. Specifically, the power source unit bodyis provided along a side wall of a front face of the horizontally-long housing of the projection image display apparatus and the noise removal filter portionis provided in a position opposed to the power source unit bodyin a side wall of the back face. As a result, even when a light source lamp has a higher output, the projection image display apparatus can achieve reduced noise by an improved cooling capability and reduced cost enabled by an efficient Electro Magnetic Compatibility (EMC) measure and the like.

Projection image display apparatus having a noise removal filter portion

A duct was configured such that an incident side and an outgoing side of each of liquid crystal panels, andare formed with discharge ports rand r, gand g, and band bto discharge the air from fanstothrough ductsto, and at the same time, a PBSfor aligning the polarizing direction of the light from a light source lamp is formed with a discharge port pto discharge the air from the fanthrough the duct, and an incident side discharge port band an outgoing side discharge port bof the liquid crystal panelcorresponding to the blue light are formed with the ducts so as to discharge the air from the fansandwhich are different from each other. As a result, even when an amount of light per unit area of high luminance is increased, the liquid crystal panels and the polarizing plates and the PBS can be effectively cooled by three sets of the fans.

Projection type image display apparatus

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Shenzhen, China

Xiaolin Mao