| 摘要 |
本发明系有关于一种背光模组以及包含其之透明液晶显示装置。本发明之背光模组包括：一半波板，具有一设置平面；一导光板，具有堆叠之复数个导光单元，该些导光单元系相邻白列于该设置平面上；以及一光源，系以垂直该设置平面之法线的方向将光线入射该导光板；其中，该导光单元包括：一光学元件，具有一供该光线入射之光入射面；一第一透明板材，系设置于该光学元件上，且该第一透明板材具有一与光入射面之夹角小于90度之第一表面；一分光膜，设置于该第一表面上，用以将部分光线反射至该半波板；以及一第二透明板材，设置于该分光膜上，且该第二透明板材具有一与光入射面平行之光穿透面。; a light guide plate having a plurality of light guide units, the light guide units are adjacent to each other and are disposed on the disposing surface; and a light source irradiating a light into the light guide plate in the direction vertical to the normal line of the disposing surface; wherein the light guide unit comprises: an optical element having a light entrancing surface for the incident light; a first transparent plate disposing on the optical element, wherein the first transparent plate has a first surface and the angle between the first surface and the light entrancing surface is less than 90 degrees; a splitter disposing on the first surface, and reflecting portions of the incident light to the half-wave plate; and a second transparent plate disposing on the splitter, and having a light penetrating surface parallel to the light entrancing surface. |
