Abstract: [Problem] To provide a separator for a lead acid battery capable of suppressing electrolyte stratification and improving the battery reliability (prolongation of life during idling stop operation and stability of capacity detection) of a lead acid battery. [Solution] A separator for a lead acid battery, characterized in that the separator comprises a porous backweb and a plurality of ribs extending from each of both surfaces of the backweb, the rib on a surface on a side that comes into contact with a positive electrode plate is a broken rib, has a shape with two or more bending points, and is a linear broken rib that bends in opposite directions at each of two consecutive bending points or is a curved broken rib having one or more inflection points.

Abstract: A method of manufacturing a light guide plate includes steps of cutting a light guide plate base material with a frame-shaped die into a die-cut plate 50 including side surfaces each having a rectangular shape and performing thermal-imprinting process. In thermal-imprinting process, a processing surface 60a of a plate surface of a heated processing board 60 is pressed against one of the side surfaces 52 of the die-cut plate 50 to thermally imprint a pattern of the processing surface 60a of the processing board 60 on the one of the side surfaces 52 of the die-cut plate 50. The processing surface 60a having a shape that is recessed more at a portion thereof opposite a middle of a long dimension of the one of the side surfaces 52 than a portion thereof opposite ends of the long dimension of the one of the side surfaces 52 is pressed against the side surface 52.

Abstract: An illumination device (10) is provided with the following: light sources (11); a light-guide member (12 (13)) that includes a light entry region (Is) and a light exit region (Os) which emits planar light; light entry portions (13a) that are formed in the light entry region (Is) and that oppose the light sources (11); and bright line suppression portions (20) that are formed in the areas between the light entry portions (13a) at the front side of the light entry region (Is), and that include bright line suppression prisms (21) which have a shape that changes the angle of the light emitted in a direction spreading out from the light sources (11) to a direction closer to the optical axes.

Abstract: Provided are an illumination device capable of improving the uniformity in brightness of the illumination light, and a display device using the same. An illumination device is provided with: a plurality of light sources arranged in a row in one direction; and a light guide plate which has, along a side edge face, a light receiving face facing the light source, guides light entering through the light receiving face, and outputs illumination light from a light emitting surface disposed on the front surface; the light guide plate having a plurality of prisms and a plurality of prisms provided in an indented manner on the front or rear surface and arranged in a row along the longitudinal direction of the light receiving face; the prisms being formed spanning between the light receiving face and the opposing face opposite the light receiving face; and the prisms being formed, between adjacent prisms, deeper than the prisms within a predetermined range in the vicinity of the light receiving face.

Abstract: A method of manufacturing a light guide plate includes steps of cutting a light guide plate base material with a frame-shaped die into a die-cut plate 50 including side surfaces each having a rectangular shape and performing thermal-imprinting process. In thermal-imprinting process, a processing surface 60a of a plate surface of a heated processing board 60 is pressed against one of the side surfaces 52 of the die-cut plate 50 to thermally imprint a pattern of the processing surface 60a of the processing board 60 on the one of the side surfaces 52 of the die-cut plate 50. The processing surface 60a having a shape that is recessed more at a portion thereof opposite a middle of a long dimension of the one of the side surfaces 52 than a portion thereof opposite ends of the long dimension of the one of the side surfaces 52 is pressed against the side surface 52.

Abstract: A liquid crystal display device 10 includes a liquid crystal panel 11 and a second light diffusing sheet 43 that is an anisotropic optical member. The liquid crystal panel 11 includes a display surface DS for displaying images. The liquid crystal panel 11 has anisotropy in an exit angle distribution of rays of exiting light such that an exit angle range of the exiting light is relatively small with respect to the first direction along the display surface DS and relatively large with respect to the second direction along the display surface DS and perpendicular to the first direction. The second light diffusing sheet 43 is disposed over the liquid crystal panel 11 on any one of the display surface DS side and an opposite side thereof. The second light diffusing sheet 43 has anisotropy in an exit angle distribution of exiting light such that an exit angle range of the exiting light is relatively large with respect to the first direction and relatively small with respect to the second direction.

Abstract: A liquid crystal display device 10 includes LEDs 22, a light guide plate 20, a metal chassis 28, an optical member 18, and a liquid crystal panel 14. The light guide plate 20 for guiding light from the LEDs 22 includes a front surface as a light-exit surface 20b, a rear surface as an opposite surface 20c, and a light-entering surface 20a facing the LEDs 22 as one of side surfaces. The chassis 28 including a bottom plate 28a opposite the opposite surface 20c and side plates 28b extending from corresponding edges of the bottom plate 28a toward the light-exit surface 20b holds the light guide plate 20. The side plates 28b except the light-entering surface 20a is near the corresponding side surfaces. The optical member 18 faces the light-exit surface 20b to add optical properties to light from the light-exit surface 20b.

Abstract: A backlight unit includes LEDs, a light guide plate, a lenticular lens portion, a first prism sheet, and a second prism sheet. The lenticular lens portion includes cylindrical lenses that extend along a first direction and arranged parallel to one another along a second direction. The first prism sheet is disposed on a front side of the lenticular lens portion and includes first unit prisms arranged parallel to one another along the second direction and each extending along the first direction and having a triangular cross section. The second prism sheet is disposed between the lenticular lens portion and the first prism sheet. The second prism sheet includes second unit prisms arranged parallel to one another along the second direction and each extending along the first direction, having a triangular cross section, and having a vertex angle larger than a vertex angle of each first unit prism.

Abstract: A backlight unit includes LEDs, a light guide plate, a reflection sheet, a prism sheet, and an anisotropic reflection portion. The light guide plate includes a light entrance surface opposed to the LEDs and light exit surface. The reflection sheet includes a reflection surface opposed to an opposite plate surface of the light guide plate opposite from the light exit surface. The prism sheet is formed on a side of the light guide plate opposite from a side on which the reflection sheet is disposed. The prism sheet includes unit prisms that extend along a first direction and are arranged parallel to one another along a second direction. The anisotropic reflection portion includes unit reflectors disposed on the reflection surface of the reflection sheet. The unit reflectors extend along the first direction and are arranged parallel to one another along the second direction.

Abstract: An illumination device (10) is provided with the following: light sources (11); a light-guide member (12 (13)) that includes a light entry region (Is) and a light exit region (Os) which emits planar light; light entry portions (13a) that are formed in the light entry region (Is) and that oppose the light sources (11); and bright line suppression portions (20) that are formed in the areas between the light entry portions (13a) at the front side of the light entry region (Is), and that include bright line suppression prisms (21) which have a shape that changes the angle of the light emitted in a direction spreading out from the light sources (11) to a direction closer to the optical axes.

Abstract: An optical sheet (optical member) includes: a sheet-shaped base material 40 that is light-transmissive; an anisotropic light condenser that is formed on the light-receiving surface of the base material where light is received, the anisotropic light condenser having light condensing anisotropy such that incident light is condensed in a light condensing direction along the light-receiving surface whereas light is not condensed in a non-light condensing direction along the light-receiving surface, the non-light condensing direction being perpendicular to the light condensing direction; and an anisotropic light scatterer that is formed on the light-emitting surface from which light is emitted, the light-emitting surface being on a side of the base material opposite to the light-receiving surface of the base member, the anisotropic light scatterer scattering and emitting light from the anisotropic light condenser, and having light scattering anisotropy where light is greatly scattered in the light condensing direc

Abstract: Provided are an illumination device capable of improving the uniformity in brightness of the illumination light, and a display device using the same. An illumination device is provided with: a plurality of light sources arranged in a row in one direction; and a light guide plate which has, along a side edge face, a light receiving face facing the light source, guides light entering through the light receiving face, and outputs illumination light from a light emitting surface disposed on the front surface; the light guide plate having a plurality of prisms and a plurality of prisms provided in an indented manner on the front or rear surface and arranged in a row along the longitudinal direction of the light receiving face; the prisms being formed spanning between the light receiving face and the opposing face opposite the light receiving face; and the prisms being formed, between adjacent prisms, deeper than the prisms within a predetermined range in the vicinity of the light receiving face.

Abstract: A recording sheet which comprises a substrate and a porous layer containing alumina or an alumina hydrate formed on the substrate, wherein the substrate is made of fibers for paper and a filler, and the content of the filler in the substrate is from 10 to 60 wt % to the total weight of the substrate.

Abstract: A manufacturing management apparatus comprising an interface which input manufacturing order information from an enterprise resource planning system, an information management device which manages data concerning individual parts employed for manufacture according to the manufacturing order information, and an information display device which generates manufacturing information in a manufacturing process employing the parts based on managed data and displays the manufacturing information in the form of management action reference auxiliary information.