Light device and method of assembling a light device

Abstract

A thin light device includes a light circuit including a first light emitting unit mounted against a first side-edge surface of a printed circuit board, and a second light emitting unit mounted against a second side-edge surface of the printed circuit board. The first side-edge surface and the second side-edge surface of the printed circuit board are not coplanar. In addition, the thin light device includes a light diffusion panel, and a light housing arranged to receive the light circuit and light diffusion panel. The light circuit is arranged next to the light diffusion panel, and the first and second light emitting units are arranged to emit light into the light diffusion panel.

1 - 19 . (canceled) 
     
     
         20 . A thin light device, comprising:
 a light circuit including a first light emitting unit mounted against a first side-edge surface of a printed circuit board, and a second light emitting unit mounted against a second side-edge surface of the printed circuit board, wherein the first side-edge surface and the second side-edge surface of the printed circuit board are not coplanar,   a light diffusion panel, and   a light housing arranged to receive the light circuit and light diffusion panel, wherein the light circuit is arranged next to the light diffusion panel, and the first and second light emitting units are arranged to emit light into the light diffusion panel.   
     
     
         21 . The thin light device according to  claim 20 , wherein the first side-edge surface of the printed circuit board is orthogonal to a component-pad-side surface of the printed circuit board. 
     
     
         22 . The light device according to  claim 20 , wherein the top surface of the light diffusion panel is higher than the top surface of the light circuit by at least 1 millimeter. 
     
     
         23 . The light device according to  claim 20 , wherein the light device comprises a light strip to be mounted in or onto a construction part of a vehicle. 
     
     
         24 . The light device according to  claim 23 , wherein the construction part of a vehicle includes a door frame, window frame, hood frame, or a doorstep. 
     
     
         25 . The light device according to  claim 20 , wherein the thickness of the assembled light device is 2.5 millimeters or less. 
     
     
         26 . The light device according to  claim 20 , wherein the thickness of the assembled light device is 1.6 millimeters or less. 
     
     
         27 . The light device according to  claim 20 , wherein the light housing comprises a first, elongated, cutout for the light diffusion panel, and at least one second cutout for the light circuit, and wherein the second cutout is arranged next to the first cutout. 
     
     
         28 . The light device according to  claim 27 , wherein the light housing comprises upstanding walls next to the cutouts, and wherein in assembled condition the top surface of the upstanding walls extends at the same or a higher level as the top surface of the light diffusion panel or the light circuit. 
     
     
         29 . The light device according to  claim 20 , wherein the light device comprises a cover foil covering the top surface of the light device. 
     
     
         30 . The light device according to  claim 29 , wherein the cover foil is provided with a print that is arranged to extend over the surface of the light diffusion panel, and wherein the light device having said cover foil with print has a smooth top surface. 
     
     
         31 . The light device according  claim 20 , wherein the at least one light emitting unit comprises a light emitting diode. 
     
     
         32 . The light device according to  claim 20 , wherein the at least one light emitting unit is arranged at a short edge of the light diffusion panel, to emit light into the short edge of the light diffusion panel. 
     
     
         33 . The light device according to  claim 20 , wherein light emitting units are arranged at two short edges of the light diffusion panel. 
     
     
         34 . The light device according to  claim 20 , wherein the light diffusion panel is provided with a raster patterned to achieve a uniform emission of light across a predetermined portion of the surface of the light diffusion panel. 
     
     
         35 . The light device according to  claim 34 , wherein a single side edge of the panel is configured to transmit light directly from the light circuit. 
     
     
         36 . The light device according to  claim 20 , wherein the light diffusion panel has a thickness of three millimeters or less and a length that is at least five times its width. 
     
     
         37 . The light device according to  claim 36 , wherein the housing has a thickness of three millimeters or less and a length that is at least five times its width. 
     
     
         38 . The light device according to  claim 20 , wherein the first side-edge surface and the second side-edge surface of the printed circuit board are flat. 
     
     
         39 . The light device according to  claim 20 , wherein the first side-edge surface and the second side-edge surface of the printed circuit board are parallel.