Abstract: A diaphragm pump includes a driving mechanism including a crank body fixed to the rotating shaft of a motor, a driving shaft that is fixed to the crank body and inclined, and a driving body rotatably supported by the driving shaft via a bearing member. The driving body includes a shaft portion that stores the bearing member, and an arm portion connected to the deformation portion of a diaphragm. The bearing member includes a first bearing member close to the crank body, a second bearing member spaced apart from the crank body, a shaft hole in which the driving shaft is rotatably fitted, and an oil reservoir formed at a boundary between the first and second bearing members. The shaft hole includes a through hole formed in the first bearing member, and a non-through hole formed in the second bearing member.

Abstract: An object of this invention is to provide a lighting device in which a predetermined distance between the LED units and the optical member can be maintained without increasing the number of the parts, and to provide a display device, and a television device including the same. The lighting device includes a chassis 21, an LED unit 30, and an optical member 22. The chassis 21 houses the LED unit 30. The LED unit 30 includes an LED package 31 and a printed circuit board 32. The LED package 31 is mounted on the LED package 31. The LED package 31 includes an LED chip sealed therein and a spacer portion 37. The optical member 22 is arranged opposite the LED package 31. The spacer portion 37 is in contact with and maintains the optical member 22 having a predetermined distance away from the LED package 31.

Abstract: Provided is an illuminating device that is capable of improving use efficiency of cooling fluid used for cooling LEDs. An illuminating device (4) includes LEDs (13), a chassis (14) including a holding surface (14b) on which the LEDs are arranged in a matrix, cooling members (20) that are disposed on the chassis at positions associated with positions of the LEDs, each of the members including a channel (20a) inside, through which cooling fluid runs and a valve (21) opening and closing the channel, a radiator (22) performing heat exchange between the fluid and air, a pump (24) connected to the members and the radiator by pipes (25, 26) and circulating the fluid, an LED control unit (43) controlling driving of the LEDs, and cooling-member control units (44) controlling driving of the valves of the members associated with the LEDs based on the driving of the LEDs.

Abstract: In order to accurately illuminate an object to be illuminated with planar light having little unevenness in intensity, a backlight unit (2) having a simple structure and simple assembly is provided with a reflection sheet (8) which covers a chassis (5) and a substrate (6) and which has through-holes (81) penetrated by light sources (7), wherein the through-holes (811) formed in the center become larger than the through-holes (814) formed at the edges.

Abstract: An object of this invention is to provide a lighting device in which a predetermined distance between the LED units and the optical member can be maintained without increasing the number of the parts, and to provide a display device, and a television device including the same. The lighting device includes a chassis 21, an LED unit 30, and an optical member 22. The chassis 21 houses the LED unit 30. The LED unit 30 includes an LED package 31 and a printed circuit board 32. The LED package 31 is mounted on the LED package 31. The LED package 31 includes an LED chip sealed therein and a spacer portion 37. The optical member 22 is arranged opposite the LED package 31. The spacer portion 37 is in contact with and maintains the optical member 22 having a predetermined distance away from the LED package 31.

Abstract: In order to accurately illuminate an object to be illuminated with planar light having little unevenness in intensity, a backlight unit (2) having a simple structure and simple assembly is provided with a reflection sheet (8) which covers a chassis (5) and a substrate (6) and which has through-holes (81) penetrated by light sources (7), wherein the through-holes (811) formed in the center become larger than the through-holes (814) formed at the edges.

Abstract: An illumination device or the like is provided that reduces variations in the position of a member incorporating light sources such as LEDs and that reduces the size of the member and thus achieves the size reduction. In the illumination device, a plurality of mounting substrates (11) are arranged close to each other, and the mounting substrates (11) are regular hexagonal.

Abstract: Provided is an illuminating device that is capable of improving use efficiency of cooling fluid used for cooling LEDs. An illuminating device (4) includes LEDs (13), a chassis (14) including a holding surface (14b) on which the LEDs are arranged in a matrix, cooling members (20) that are disposed on the chassis at positions associated with positions of the LEDs, each of the members including a channel (20a) inside, through which cooling fluid runs and a valve (21) opening and closing the channel, a radiator (22) performing heat exchange between the fluid and air, a pump (24) connected to the members and the radiator by pipes (25, 26) and circulating the fluid, an LED control unit (43) controlling driving of the LEDs, and cooling-member control units (44) controlling driving of the valves of the members associated with the LEDs based on the driving of the LEDs.

Abstract: Disclosed is a lighting device capable of alleviating unevenness in luminosity upon a member that is being illuminated. A backlit device (lighting device) (10) comprises LEDs (11); a plurality of substrates (12) whereupon the LEDs are mounted; photodiodes (18) that are mounted upon the substrates; and a reflector sheet (13) that is positioned upon the substrates. The LEDs function as light sources for illumination, and transmit visible light signals to the photodiodes that are mounted adjacently thereto upon the substrates. The photodiodes receive the visible light signals from the LEDs that are mounted adjacently thereto upon the substrates.

Abstract: The peripheral edges of a mounting substrate (11) are wave-shaped with undulations, the peripheral edges having a relationship such that protrusions (11T) and depressions (11B) constituting undulations on opposing peripheral edges mesh together. The spacing (WT) between the protrusions (11T) on the peripheral edges and the spacing (WB) between the depressions (11B) on the peripheral edges are then constant, especially on the mounting substrate (11).

Abstract: Provided is an illumination device in which it is possible to suppress a member mounted with a light source such as an LED from being displaced, and to make said member and the illumination device smaller. A backlight unit (49) is provided with a plurality of mounting substrates (11) having various shapes, wherein the shapes are formed in a manner such that if at least one mounting substrate (11) were to move in either of two intersecting directions in the plane of the substrate, the two neighboring mounting substrates would be shaped so as to come into contact with and restrict one of the other neighboring mounting substrates (11).

Abstract: An object of the present invention is to achieve reduction in power consumption and to obtain sufficient heat dissipation performance in a lighting device. A backlight unit 12 of the lighting device includes LEDs 17 serving as a plurality of light sources; a chassis 14 housing the LEDs 17; cooling fans 22 serving as a plurality of cooling portions arranged at positions corresponding to locations of the LEDs 17 in the chassis 14; a light source control portion controlling driving of the LEDs 17; and an LED control portion 33 serving as a cooling control portion controlling driving of the corresponding cooling fans 22 based on driving of the LEDs 17.