Illumination system and projection device

An illumination system, configured to provide an illumination beam, and comprising:

• a blue laser module, a green laser module, a red laser module, a first light splitting component, a second light splitting component, a half transmission/reflection component and a wavelength conversion component, wherein
• the blue laser module is configured to provide a blue beam;
• the green laser module is configured to provide a green beam;
• the red laser module is configured to provide a red beam;
• the wavelength conversion component has a wavelength conversion region and an optical output region,
• the first light splitting component is disposed between the blue laser module and the wavelength conversion component, and configured to guide the blue beam so that the blue beam is transmitted to the wavelength conversion component;
• the second light splitting component is disposed between the green laser module and the red laser module, and configured to guide the green beam and the red beam so that the green beam and the red beam are transmitted to the wavelength conversion component,
• the half transmission/reflection component disposed between the blue laser module and the wavelength conversion component,
• wherein
• in a first time interval, the blue beam, the green beam, and the red beam are sequentially transmitted to the optical output region, wherein the illumination beam comprises the blue beam, the green beam, and the red beam;
• in a second time interval, the blue beam is transmitted to the wavelength conversion region to form a converted beam, wherein the illumination beam comprises the converted beam.

A projection device, comprising:

• an illumination system, a light valve, and a projection lens, wherein
• the illumination system is configured to provide an illumination beam, and comprises:
• a blue laser module, a green laser module, a red laser module, a wavelength delay component, and a wavelength conversion component, wherein
• the blue laser module is configured to provide a blue beam;
• the green laser module is configured to provide a green beam;
• the red laser module is configured to provide a red beam;
• the wavelength conversion component has a wavelength conversion region and an optical output region;
• the wavelength delay component correspondingly disposed in the optical output region,
• wherein
• in a first time interval, the blue beam, the green beam, and the red beam are sequentially transmitted to the optical output region, wherein the illumination beam comprises the blue beam, the green beam, and the red beam;
• in a second time interval, the blue beam is transmitted to the wavelength conversion region to form a converted beam, wherein the illumination beam comprises the converted beam;
• the light valve is disposed on a transmitting path of the illumination beam, and converts the illumination beam into an image beam;
• the projection lens is disposed on a transmitting path of the image beam.