JP2012252937A5 - - Google Patents

Claims (11)

A plurality of phosphor portions arranged at intervals in a predetermined direction and excited by predetermined excitation light to emit first visible light; and
A light source device comprising: a first light source that emits the predetermined excitation light. The light source device according to claim 1, further comprising: a second light source that is controlled to emit light independently of the first light source and emits second visible light toward the phosphor portion. Light source device according to claim 1 or 2 further comprising an optical filter which absorbs the predetermined excitation light. The light source device according to claim 1, wherein the predetermined excitation light is ultraviolet light. The light source device according to any one of claims 2 to 4, wherein the first light source and the second light source are provided in the same housing, and constitute one direct type backlight as a whole. . Wherein the first and second light sources are provided on the side of the same light guide plate, according to any one of 4 to one claims 2 constitutes a backlight light guide type as a whole Light source device. A light guide plate having a first internal reflection surface and a second internal reflection surface facing each other;
The phosphor portion is formed on the first internal reflection surface or the second internal reflection surface,
The first light source is configured to irradiate the predetermined excitation light from a side surface of the light guide plate toward the inside of the light guide plate,
The second light source is disposed opposite to the light guide plate, from the back side of the light guide plate according to any one of claims 2 to 4 for irradiating the second visible light toward the light guide plate Light source device. A display unit for displaying images;
A light source device that emits light for image display toward the display unit,
The light source device is:
A plurality of phosphor portions arranged at intervals in a predetermined direction and excited by predetermined excitation light to emit first visible light; and
And a first light source that emits the predetermined excitation light. The light source device is:
The display device according to claim 8, further comprising: a second light source that is controlled to emit light independently from the first light source and emits second visible light toward the phosphor portion. The display unit selectively displays a plurality of viewpoint images based on 3D image data and an image based on 2D image data.
The second light source is controlled to be in a non-lighting state when displaying the plurality of viewpoint images on the display unit, and is lit when displaying an image based on the two-dimensional image data on the display unit. The display device according to claim 9 controlled by a state. The first light source is controlled to be lit when displaying the plurality of viewpoint images on the display unit, and is not lit when displaying an image based on the two-dimensional image data on the display unit. The display device according to claim 10, wherein the display device is controlled to a state or a lighting state.