JP2003121655A5 - - Google Patents

Claims (15)

  The side end is provided with a one-side recess formed in the thickness range and opened on the side and one side in the thickness direction, and a second recess opened on the side and the other side in the thickness direction. A light guide plate characterized by comprising:   At the side end, as an inclined surface that is inclined with respect to the surface, one side inclined surface that faces one side in the thickness direction and another side inclined surface that faces the other side in the thickness direction are provided. A light guide plate characterized by that.   The light guide plate according to claim 2, wherein the inclined surface is provided within a thickness range of the light guide portion.   4. The light guide plate according to claim 2, wherein a first inclined surface facing the one end side and a second inclined surface facing the other end side are provided as the inclined surface. 5. .   5. The light guide plate according to claim 2, wherein at least one of the inclined surfaces is provided at a side end of the light guide portion having a smaller thickness.   A fixing structure for fixing the light guide plate to a support, wherein the light guide plate is formed at a side end of the light guide plate within a thickness range of the light guide plate, on a side of the light guide plate and on one side in the thickness direction; An open one-side recess and a second recess opened laterally and on the other side in the thickness direction are provided, and the first recess and the other-side recess are mutually connected to the support body of the light guide plate. A light guide plate fixing structure, wherein the light guide plate is engaged on the opposite side in the thickness direction.   The light guide plate fixing structure according to claim 6, wherein the concave portion is engaged with a protrusion protruding from the support.   The light guide plate is fixed to a support, and the side end of the substrate faces the one side in the thickness direction of the light guide plate as an inclined surface inclined with respect to the surface of the light guide plate. An inclined surface on one side and an inclined surface on the other side facing the other side in the thickness direction of the light guide plate are provided, and the inclined surface on the one side and the inclined surface on the other side are guided to each other with respect to the support. A light guide plate fixing structure, wherein the light plate is engaged with the opposite side of the optical plate in the thickness direction.   The light guide plate according to claim 8, wherein the inclined surface is provided within a thickness range of a light guide portion of the light guide plate.   As the inclined surface, a first inclined surface facing the one end side of the light guide plate and a second inclined surface facing the other end side of the light guide plate are provided, and the first inclined surface and the second inclined surface are provided. The light guide plate fixing structure according to claim 8, wherein the two are engaged with each other at different end portions of the light guide plate.   The light guide plate fixing structure according to any one of claims 8 to 10, wherein the inclined surface is engaged with a protrusion protruding from the support.   12. A liquid crystal display device comprising: the light guide plate fixing structure according to claim 6; and a liquid crystal display panel arranged to overlap the light guide plate in a planar manner.   The light guide plate includes a first light guide plate and a second light guide plate, and the liquid crystal display panel receives a light from the first light guide plate and a light from the second light guide plate. A second liquid crystal display panel for receiving the first liquid crystal display panel, and the first light guide plate and the second light guide plate are commonly supported and fixed to the support body in a state of overlapping each other in a plane. The liquid crystal display device according to claim 12.   14. The liquid crystal display device according to claim 13, wherein an optical action layer capable of producing an optical action on both front and back surfaces is disposed between the first light guide plate and the second light guide plate.   15. An electronic apparatus comprising: the liquid crystal display device according to claim 12; and a control unit that controls the liquid crystal display device.