Projector
A technology for projectors and synchronous signals, applied in the field of projectors, can solve problems such as increasing the amount of light, and achieve the effects of high brightness, small etendue, and long life
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[0031] Below, exemplary embodiments are described with reference to the drawings.
[0032] figure 1 It is a block diagram illustrating the configuration of an exemplary embodiment of the illumination optical system according to the present invention.
[0033] This exemplary embodiment includes a laser light source 101, an LED light source 102, dichroic mirrors 103 and 104, a phosphor wheel 105, a light tunnel 106, lens groups 107 to 109, and a mirror 110 1 And 110 2 .
[0034] figure 2 Is from figure 1 A plan view of the phosphor wheel 105 when viewed from the left to the right.
[0035] The laser light source 101 generates excitation laser light having a wavelength λ1. The phosphor wheel 105 includes a blue phosphor area 105 1 And green phosphor area 105 2 And 105 4 , When the excitation laser is incident on it, the blue phosphor region 105 1 And green phosphor area 105 2 And 105 4 Respectively generate wavelengths λ2 and λ3 (λ2 3 .
[0036] First, the properties of each optical elem...
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