Abstract: A backlight device (20) is combined with a display device (10) that has a display panel (11), such as a liquid crystal panel. The backlight device includes a chassis (21), a light guide plate (22) and optical sheets (23) arranged on the rear surface of the display panel (11), and an LED package (24) that illuminates an edge face of the light guide plate. A light reflecting face formed of a material that has silver as a main component is provided in the LED package. An adsorbing material (30) that adsorbs gas such as halogen gas and hydrogen sulfide, which have characteristics that lower the reflectance of silver, is coated onto a substrate (25) on which the LED package is mounted.

Abstract: A lighting device having a simplified connection configuration between light sources and a light source driver is provided. A backlight unit 12 according to this invention includes a plurality of LED boards 18 on which LEDs 17 are mounted. The LEDs 17 are light sources. Each LED board 18 includes a connection wiring pattern 27 electrically connected to the LEDs 17 and a through wiring pattern 28 not electrically connected to the LEDs 17. The connection wiring pattern 27 is connected to the through wiring pattern 28 on the other LED board 18. The connection wiring pattern 27 of each LED board 18 electrically connected to the LEDs 17 is electrically connected to the through wiring pattern 28 of the other LED board 18 not electrically connected to the LEDs 17.

Abstract: A backlight device (3) is provided with: a reflective sheet (8) that reflects light from a light guide plate (7) back towards the light guide plate (7); a bottom (opposing surface) (10a) that is arranged so as to face the reflective sheet (8) on the side of the reflective sheet (8) opposite to the light guide plate (7) and that has a prescribed squeezing part (a part with recesses and protrusions) (10a1) formed thereon; and a cushioning member (9) arranged between the reflective sheet (8) and the bottom (10a). The cushioning member (9) has an opening (9a) at a location that corresponds to the squeezing part (10a1).

Abstract: Disclosed are a side light-type backlight device with high brightness and excellent light use efficiency, a liquid crystal display device and a television receiver. The disclosed backlight device has a light guide plate that emits, from the top surface, light that entered from the side surface thereof, a substrate that is disposed at the side surface of the light guide plate and that has a plurality of LEDs emitting light from the top aligned thereon, and an outer case enclosing the light guide plate and the substrate. Of the plurality of LEDs, the end LEDs are provided with inclined sections such that the illumination direction of said end LEDs intersect with that of the other LEDs.

Abstract: A backlight device (20) is combined with a display device (10) that has a display panel (11), such as a liquid crystal panel. The backlight device includes a chassis (21), a light guide plate (22) and optical sheets (23) arranged on the rear surface of the display panel (11), and an LED package (24) that illuminates an edge face of the light guide plate. A light reflecting face formed of a material that has silver as a main component is provided in the LED package. An adsorbing material (30) that adsorbs gas such as halogen gas and hydrogen sulfide, which have characteristics that lower the reflectance of silver, is coated onto a substrate (25) on which the LED package is mounted.

Abstract: A backlight device (3) is provided with: a reflective sheet (8) that reflects light from a light guide plate (7) back towards the light guide plate (7); a bottom (opposing surface) (10a) that is arranged so as to face the reflective sheet (8) on the side of the reflective sheet (8) opposite to the light guide plate (7) and that has a prescribed squeezing part (a part with recesses and protrusions) (10a1) formed thereon; and a cushioning member (9) arranged between the reflective sheet (8) and the bottom (10a). The cushioning member (9) has an opening (9a) at a location that corresponds to the squeezing part (10a1).

Abstract: A fluorescent tube (LP1) and a fluorescent tube (LP2) in a liquid crystal display device (79) emit light when the tubes are positioned at turning angles within a prescribed range to a hold pedestal (59). A fluorescent tube (LP3) and a fluorescent tube (LP4) also emit light when the tubes are positioned at prescribed turning angles within the prescribed range to the hold pedestal (59).

Abstract: A lighting device having a simplified connection configuration between light sources and a light source driver is provided. A backlight unit 12 according to this invention includes a plurality of LED boards 18 on which LEDs 17 are mounted. The LEDs 17 are light sources. Each LED board 18 includes a connection wiring pattern 27 electrically connected to the LEDs 17 and a through wiring pattern 28 not electrically connected to the LEDs 17. The connection wiring pattern 27 is connected to the through wiring pattern 28 on the other LED board 18. The connection wiring pattern 27 of each LED board 18 electrically connected to the LEDs 17 is electrically connected to the through wiring pattern 28 of the other LED board 18 not electrically connected to the LEDs 17.

Abstract: Disclosed are a side light-type backlight device with high brightness and excellent light use efficiency, a liquid crystal display device and a television receiver. The disclosed backlight device has a light guide plate that emits, from the top surface, light that entered from the side surface thereof, a substrate that is disposed at the side surface of the light guide plate and that has a plurality of LEDs emitting light from the top aligned thereon, and an outer case enclosing the light guide plate and the substrate. Of the plurality of LEDs, the end LEDs are provided with inclined sections such that the illumination direction of said end LEDs intersect with that of the other LEDs.

Abstract: Disclosed are a side light-type backlight device with high brightness and excellent light use efficiency, a liquid crystal display device and a television receiver. The backlight device according to the present invention is provided with a light guide plate, a prescribed side surface of which is a light incident surface, and a light source that is disposed so as to face the light incident surface of the light guide plate. The light source includes a plurality of side-emitting LEDs mounted on a substrate, and the plurality of LEDs are arranged on two levels in the vertical direction along the light incident surface.

Abstract: In an illuminating device (3) provided with a light-emitting face (15a) for emitting light, first cold cathode fluorescent tubes (discharge tubes) (20) and second cold cathode fluorescent tubes (discharge tubes) (21) sequentially provided in positions increasingly distant from the light-emitting face (15a) are installed, and these first and second cold cathode fluorescent tubes (20, 21) are set so as to have substantially the same light-emitting luminance as each other at the light-emitting face (15a).

Abstract: A display includes a display panel, a light guide plate arranged on the back side of the display panel, an LED arranged in the vicinity of the side surface of the light guide plate, a circuit board arranged on the back side of the light guide plate, and a plurality of TABs connecting the display panel and the circuit board. The LEDs are arranged between the plurality of TABs in the plan view, and the TAB is arranged to overlap the LED in the side view. In order to achieve uniform illumination with no unevenness in luminance, the TAB and the spot light source are preferably arranged alternately.

Abstract: A fluorescent tube (LP1) and a fluorescent tube (LP2) in a liquid crystal display device (79) emit light when the tubes are positioned at turning angles within a prescribed range to a hold pedestal (59). A fluorescent tube (LP3) and a fluorescent tube (LP4) also emit light when the tubes are positioned at prescribed turning angles within the prescribed range to the hold pedestal (59).

Abstract: A backlight device includes a main light guide plate, auxiliary light guide portions provided on the side of an opposed surface of the main light guide plate, and light sources arranged to emit light into the auxiliary light guide portions. A reflector is arranged to surround the introduction surface of the main light guide plate and the auxiliary light guide portions. Furthermore, an optical path forming member is provided on the inside of the reflector so as to form a dedicated optical path from the auxiliary light guide plate to the main light guide plate. Thereby, the light emitted from one auxiliary light guide portion is prevented from entering into another auxiliary light guide portion.

Abstract: A display includes a display panel, a light guide plate arranged on the back side of the display panel, an LED arranged in the vicinity of the side surface of the light guide plate, a circuit board arranged on the back side of the light guide plate, and a plurality of TABs connecting the display panel and the circuit board. The LEDs are arranged between the plurality of TABs in the plan view, and the TAB is arranged to overlap the LED in the side view. In order to achieve uniform illumination with no unevenness in luminance, the TAB and the spot light source are preferably arranged alternately.

Abstract: A backlight device includes a main light guide plate, auxiliary light guide portions provided on the side of an opposed surface of the main light guide plate, and light sources arranged to emit light into the auxiliary light guide portions. A reflector is arranged to surround the introduction surface of the main light guide plate and the auxiliary light guide portions. Furthermore, an optical path forming member is provided on the inside of the reflector so as to form a dedicated optical path from the auxiliary light guide plate to the main light guide plate. Thereby, the light emitted from one auxiliary light guide portion is prevented from entering into another auxiliary light guide portion.

Abstract: In a backlight device, an upper-side region and a lower-side region serving as placement regions in which light-emitting diodes are respectively placed are provided on an upper side and a lower side of a light guide plate. Further, in the upper-side region and the lower-side region, a plurality of light-emitting diodes are distributed such that their light amounts fall within predetermined ranges.

Abstract: A liquid crystal display device can achieve reduction in the thickness thereof and the size of its frame while reducing color unevenness even when single color LEDs are incorporated as a light source for a backlight. The liquid crystal display device includes a liquid crystal panel, a light guide plate disposed at the back of the liquid crystal panel and a light source arranged at one side of the light guide plate; the light from the light source illuminates the liquid crystal panel through the light guide plate. The light source is composed of a red, green and blue LEDs emitting red, green and blue light, respectively; the LEDs are arranged along the one side of the light guide plate, and are arranged in three rows in the direction of the thickness of the light guide plate. The colors of the light emitted from the LEDs arranged side by side in the direction of the thickness of the light guide plate are different from each other.