Abstract: A light source module includes a first light source, a second light source, a combining component, and a transparent medium. The first light source emits a first light. The second light source emits a second light. The second light propagates along an optical path different from that of the first light. The combining component is on optical paths of the first light and the second light. The combining component combines the first light and the second light. The transparent medium fills a gap between the first light source and the combining component, and a gap between the second light source and the combining component. An absolute value of a difference in refractive index between the transparent medium and the combining component is less than an absolute value of a difference in refractive index between the air and the combining component.

Abstract: A suitcase includes a case body, a support frame and a pull rod unit, wherein two rollers are connected to an underside of a rear side of the case body and the support frame reinforces the structural strength of the case body. The pull rod unit is connected to the rear side of the case body and extends through a rear plate of the case body and enters an interior of the case body. A lower end of the pull rod unit is connected to the support frame, thereby increasing the storage space.

Abstract: A luggage having a hidden type pull handle includes a main body, a telescopic pull handle, and two roller sets. Each of the two roller sets includes a wheel seat, a roller, and a reinforcement member. The pull handle is retained on the middle partition of the main body. Thus, when the pull handle is pulled in an oblique manner, the pull handle directly forces the main space of the main body to lean, so that the shell around the periphery of the secondary space of the main body is not pulled by the pull handle, thereby preventing the main body from being torn out, so as to increase the lifetime of the main body.

Abstract: A wheeled luggage is disclosed. The retractable handle is concealed in a narrow second space enclosed by rear panel and rear of luggage when not in use so as to provide an aesthetic luggage, prevent handle from being damaged by foreign objects, and provide a complete main storage space of luggage. Also, most of wheel assemblies are within the frame for eliminating an awkward obstructive protrusion of wheels.