Abstract: A fabricating apparatus for a light tunnel is provided, which comprises a core rod, a fixing block and a moving block. The light tunnel comprises a plurality of reflecting sheets, and each reflecting sheet leans on both a plurality of first bumps of the fixing block and a plurality of second bumps of the moving block to define a first inner profile and a second inner profile of the light tunnel, respectively. Thereby, the fabricating apparatus defines the inner scope of the light tunnel, and the inner scope of the light tunnel can be easily and stably controlled. Furthermore, a fabricating method for fabricating the light tunnel is also provided.

Abstract: A clamp is provided. The clamp comprises a frame and a movable structure. The movable structure is detachably connected with the frame to define a receiving space for receiving at least one substrate. After sliding along a surface of the frame to a suitable position, the movable structure is adapted to be fastened together with the frame to fix the at least one substrate in the receiving space.

Abstract: A lens assembly is provided. The lens assembly comprises a lens and a bearing seat. The bearing seat has a bearing surface for bearing the lens, while the bearing surface is adapted to adhere to the lens so that the lens is fixed on the bearing seat.

Abstract: An aperture adjusting device is disclosed. The aperture adjusting device includes a support frame, a gear ring, at least one blade, and a connector. The support frame includes an aperture, and a guiding slot. The gear ring is rotatably disposed on a first side of the support frame. The blade is swingably disposed on a second side of the support frame, and used to partially cover the aperture. The connector is fixed to the gear ring, and passes through the guiding slot to connect with the blade. The gear ring is adapted to rotate to make the connector move along the guiding slot to drive the blade to swing.

Abstract: A fabricating apparatus for a light tunnel is provided, which comprises a core rod, a fixing block and a moving block. The light tunnel comprises a plurality of reflecting sheets, and each reflecting sheet leans on both a plurality of first bumps of the fixing block and a plurality of second bumps of the moving block to define a first inner profile and a second inner profile of the light tunnel, respectively. Thereby, the fabricating apparatus defines the inner scope of the light tunnel, and the inner scope of the light tunnel can be easily and stably controlled. Furthermore, a fabricating method for fabricating the light tunnel is also provided.

Abstract: A lens assembly is provided. The lens assembly comprises a lens and a bearing seat. The bearing seat has a bearing surface for bearing the lens, while the bearing surface is adapted to adhere to the lens so that the lens is fixed on the bearing seat.