Abstract: The light emitting module 11 includes: a mount body 20; and a support body 30 supporting the mount body 20. The mount body 20 includes: a circuit board 21 with wirings provided thereon; and a light emitting unit 40 to be mounted on the circuit board 21. The circuit board 21 includes: a base portion 22; and a rising portion 23, with the light emitting unit 40 being attached thereon, rising from one end, in a longitudinal direction, of the base portion 22 through a bending portion 24. The rising portion 23 is divided into seven, first to seventh sidewall portions 23a to 23g with slits 25a to 25f provided at six positions. First to seventh light emitting portions 40a to 40g forming the light emitting unit 40 are attached to the first to seventh sidewall portions 23a to 23g, respectively. Thereby, reduction in thickness of a light emitting device including solid-state light emitting elements is achieved.

Abstract: A light emitting module (12) is provided with a circuit board (20), a plurality of LED chips (21) mounted on a surface of the circuit board (20), and a plurality of lenses (30) covering the LED chips (21). The circuit board (20) is provided with a plurality of portions defining gate holes (27), which penetrate the circuit board from a front surface to a rear surface, and a runner (26), which is formed to pass on the portions defining the gate holes (27) on the rear surface side of the circuit board (20). The plurality of lenses (30) are formed on the front surface of the circuit board (20) by injection-molding a resin for the lens through the runner (26) and the portions defining the gate holes (27). Connecting sections (31) each integrated with corresponding one of the lenses (30) are formed in the portions defining the gate holes (27), and a supporting section (32) integrated with the connecting sections (31) is formed in the runner (26).

Abstract: The display device is provided with: a display panel that displays an image; a circuit board 20 that is disposed on a back surface of the display panel; a plurality of LED chips 21 that are disposed in an array on the circuit board 20 and that emit light to the display panel; and a lens 30 of a hemispherical shape that is disposed on the circuit board 20 and that covers each of the plurality of LED chips 21. A following relationship is established: R1/0.281?L1, where L1 denotes an array pitch of LED chips 21 constituting the plurality of LED chips 21, and R1 denotes a radius of the lens 30. Accordingly, a light-emitting device achieving a high degree of light utilization efficiency and an excellent degree of color mixing, and a display device using the light-emitting device are provided.

Abstract: A light guide member laminated on the upper face of a luminous device mounting substrate on which a luminous device is mounted and which is for diffusing and guiding upward light emitted from the luminous device. The light guide member includes a light reflecting portion formed on the bottom face of the light guide member in an area other than an area near the luminous device, and a section in which a light reflecting portion is not formed on the bottom face of the light guide member at a position near the luminous device. Also disclosed is a planar light source device provided with the light guide member, and a display apparatus using the planar light source device.

Abstract: The display device includes: a display panel that displays an image; and a backlight that is disposed on a back surface of the display panel and emits light from the back surface of the display panel. The backlight includes: an output member that outputs incoming light to the display panel; and a light source that emits light to the output member from a side of the output member. The light source includes: plural board-shaped substrates that each have a light-emitting element mounted on a surface thereof; and a wiring board that is in contact with a side surface of each of the plural board-shaped substrates to hold, in an upright position, the plural board-shaped substrates which are arranged in a line, and that is arranged so that the each light-emitting element faces the side of the output member while the wiring board is electrically connected to the plural board-shaped substrates.

Abstract: A light guide member capable of reducing an unevenness of luminescent color and further a nonuniformity in luminance when obtaining a white color by a color mixture using a plurality of light sources. Also disclosed are a flat light source device and a display device. A protrusion (4) of a cylindrical shape is formed upward a plurality color of LED light sources 5R, 5G, 5B, e.g., RGB color at a backside face of a light guide member (1), and a conical depression (3) is disposed at the position directly over the protrusion. Lights of each color from LED light sources 5R, 5G, 5B are mixed at the protrusion (4), thereafter reflect at the depression (3) and propagate in a horizontal direction at a light guide portion (2).

Abstract: A light guide member in which a light that has entered one major face from an illuminant is emitted from the other major face, includes a cut portion provided with a specified face inclined toward the other face at a section of one major face that faces the illuminant, and a reflecting portion, which reflects a light emitted from the illuminant, on the inclined face.

Abstract: A light emitting device is provided with an LED substrate (mounting substrate) (12); a plurality of light-emitting diodes (LEDs) (21) mounted on the LED substrate (12); and a reflector (50), which is mounted on the LED substrate (12), has a first surface (52a), and a second surface (52b) having a front-rear relationship with the first surface (52a), reflects light emitted from one light-emitting diode (LED) (21) of the light-emitting diodes (LEDs) (21) by the first surface (52a), and reflects light from the light-emitting diode (LED) (21) adjacent to the one light-emitting diode (LED) (21) by the second surface (52b). Thus, in a backlight device using a solid-state light emitting element, such as a LED, luminance is made uniform by reducing luminance nonuniformity.

Abstract: The light emitting module 11 includes: a mount body 20; and a support body 30 supporting the mount body 20. The mount body 20 includes: a circuit board 21 with wirings provided thereon; and a light emitting unit 40 to be mounted on the circuit board 21. The circuit board 21 includes: a base portion 22; and a rising portion 23, with the light emitting unit 40 being attached thereon, rising from one end, in a longitudinal direction, of the base portion 22 through a bending portion 24. The rising portion 23 is divided into seven, first to seventh sidewall portions 23a to 23g with slits 25a to 25f provided at six positions. First to seventh light emitting portions 40a to 40g forming the light emitting unit 40 are attached to the first to seventh sidewall portions 23a to 23g, respectively. Thereby, reduction in thickness of a light emitting device including solid-state light emitting elements is achieved.

Abstract: Reflectors (50) are a member subjected to mirror reflection processing, and are arranged on a light irradiation side of a light source module (31). Each of the reflectors (50) includes a horizontal reflection portion (51) provided along a rear face portion of a backlight frame and a slant reflection portion (52) having a predetermined angle with respect to the horizontal reflection portion (51). In this manner, the horizontal reflection portion (51) is arranged in an area which is near the light source and has a high light intensity, while the slant reflection portion (52) is arranged in an area which is farther from the light source and has a low light intensity, so that uniformity in light reflection amount may be achieved and occurrence of luminance variation is suppressed. Further, provision of a light guide plate, for example, is unnecessary, and thus thickness reduction and weight reduction of the device may be achieved.

Abstract: The display device is provided with: a display panel that displays an image; a circuit board 20 that is disposed on a back surface of the display panel; a plurality of LED chips 21 that are disposed in an array on the circuit board 20 and that emit light to the display panel; and a lens 30 of a hemispherical shape that is disposed on the circuit board 20 and that covers each of the plurality of LED chips 21. A following relationship is established: R1/0.281?L1, where L1 denotes an array pitch of LED chips 21 constituting the plurality of LED chips 21, and R1 denotes a radius of the lens 30. Accordingly, a light-emitting device achieving a high degree of light utilization efficiency and an excellent degree of color mixing, and a display device using the light-emitting device are provided.

Abstract: There is provided a light emitting device and the like that achieve efficient heat radiation while production cost is reduced. The backlight device includes a backlight frame, and LED substrates that each have plural LEDs and that are mounted on the backlight frame with mounting screws. In each LED substrate, heat transmission based circuits 300 are formed. The heat transmission based circuit 300 extends from heat transmission lands 310 where the respective LEDs are mounted, via through holes 340 and heat transmission circuits 320, to a contact heat transmission land 330 where the LED substrate is fixed to the backlight frame with the mounting screw.

Abstract: A backlight device (10) is provided with a strip-like light source (30) and a backlight frame (11). In the strip-like light source, a plurality of sub-mounts (40) are arranged in a row on a strip-like substrate having a short width and a long length. In the sub-mount, LEDs of each of red (R), green (G) and blue (B) or LEDs of RGGB are arranged as one unit. In the backlight frame, a plurality of strip-like light sources (30) are two-dimensionally arranged at intervals. The strip-like light sources (30) are arranged so that each position of the sub-mount (40) arranged on the strip-like light source (30) in a first row and each position of the sub-mount (40) arranged on the strip-like light source (30) in the adjacent second row are shifted in the longitudinal direction of the strip-like light source (30). Thus, a display device which has a remarkably reduced area of substrate having the light source rows and excellent uniformity of luminance and chromaticity is provided.

Abstract: A light emitting module (12) is provided with a circuit board (20), a plurality of LED chips (21) mounted on a surface of the circuit board (20), and a plurality of lenses (30) covering the LED chips (21). The circuit board (20) is provided with a plurality of portions defining gate holes (27), which penetrate the circuit board from a front surface to a rear surface, and a runner (26), which is formed to pass on the portions defining the gate holes (27) on the rear surface side of the circuit board (20). The plurality of lenses (30) are formed on the front surface of the circuit board (20) by injection-molding a resin for the lens through the runner (26) and the portions defining the gate holes (27). Connecting sections (31) each integrated with corresponding one of the lenses (30) are formed in the portions defining the gate holes (27), and a supporting section (32) integrated with the connecting sections (31) is formed in the runner (26).

Abstract: A light guide member in which a light that has entered one major face from an illuminant is emitted from the other major face, is characterized by comprising: a cut portion provided with a specified face inclined toward the other face at a section of one major face that faces the illuminant, and a reflecting portion, which reflects a light emitted from the illuminant, on the inclined face.

Abstract: A light emitting device is provided with an LED substrate (mounting substrate) (12); a plurality of light-emitting diodes (LEDs) (21) mounted on the LED substrate (12); and a reflector (50), which is mounted on the LED substrate (12), has a first surface (52a), and a second surface (52b) having a front-rear relationship with the first surface (52a), reflects light emitted from one light-emitting diode (LED) (21) of the light-emitting diodes (LEDs) (21) by the first surface (52a), and reflects light from the light-emitting diode (LED) (21) adjacent to the one light-emitting diode (LED) (21) by the second surface (52b). Thus, in a backlight device using a solid-state light emitting element, such as a LED, luminance is made uniform by reducing luminance nonuniformity.

Abstract: The luminous device mounting substrate, in which plural kinds of luminous devices with different luminance colors are mounted, is characterized by comprising a plurality of luminous device mounting portions each of which is for enclosing a luminous device corresponding to a luminance color, wherein the luminous device mounting portion has a configuration in which a plurality of luminous devices can be mounted on each luminous device mounting portion.

Abstract: A light guide member capable of reducing an unevenness of luminescent color and further a nonuniformity in luminance when obtaining a white color by a color mixture using a plurality of light sources, a flat light source device and a display device are provided. A protrusion 4 of a cylindrical shape is formed upward a plurality color of LED light sources 5R, 5G, 5B, e.g., RGB color at a backside face of a light guide member 1, and a conical depression 3 is disposed at the position directly over the protrusion. Lights of each color from LED light sources 5R, 5G, 5B are mixed at the protrusion 4, thereafter reflect at the depression 3 and propagates in a horizontal direction at a light guide portion 2.

Abstract: A light guide member laminated on the upper face of a luminous device mounting substrate on which a luminous device is mounted and which is for diffusing and guiding upward light emitted from the luminous device. The light guide member includes a light reflecting portion formed on the bottom face of the light guide member in an area other than an area near the luminous device, and a section in which a light reflecting portion is not formed on the bottom face of the light guide member at a position near the luminous device. Also disclosed is a planar light source device provided with the light guide member, and a display apparatus using the planar light source device.

Abstract: The display device includes: a display panel that displays an image; and a backlight that is disposed on a back surface of the display panel and emits light from the back surface of the display panel. The backlight includes: an output member that outputs incoming light to the display panel; and a light source that emits light to the output member from a side of the output member. The light source includes: plural board-shaped substrates that each have a light-emitting element mounted on a surface thereof; and a wiring board that is in contact with a side surface of each of the plural board-shaped substrates to hold, in an upright position, the plural board-shaped substrates which are arranged in a line, and that is arranged so that the each light-emitting element faces the side of the output member while the wiring board is electrically connected to the plural board-shaped substrates.