JP2017009981A5

JP2017009981A5 -

Info

Publication number: JP2017009981A5
Application number: JP2015218474A
Authority: JP
Filing date: 2015-11-06
Publication date: 2018-10-25
Anticipated expiration: 2035-11-06

Claims

A first light source that emits first light having a first wavelength component;
A first light guide member including a wavelength conversion member that generates second light that is wavelength-converted to a second wavelength component different from the first wavelength component using the first light as excitation light;
A second light source that emits third light having a third wavelength component;
A second light guide member that transmits the second light and the third light,
The first light guide member and the second light guide member are connected and arranged so that the second light is incident on the second light guide member,
The second light guide member has an emitting portion for emitting the second light and the third light on a side different from a connection side with the first light guide member. A lighting device.

The lighting device according to claim 1, wherein the second light is any one of light including a yellow wavelength component and light including a green wavelength component and a red wavelength component.

The lighting device according to claim 1, wherein the first light source is disposed in proximity to the first light guide member.

The lighting device according to any one of claims 1 to 3, wherein the second light source is disposed in proximity to the second light guide member.

The lighting device according to any one of claims 1 to 4, wherein the first light guide member and the second light guide member are connected on one surface.

Of the surfaces surrounding the light guide path of the first light guide member and the connection portion between the first light guide member and the second light guide member, the surfaces other than the surface on which the first light is incident The reflection part which reflects any one of said 1st wavelength component and said 2nd wavelength component was provided in at least one part, Preferably it is all, The any one of Claims 1-5 characterized by the above-mentioned. Lighting equipment.

The first light guide member includes a wavelength selection member that transmits the first light and reflects the second light on a surface on which the first light is incident. The illuminating device as described in any one of 1-6.

The lighting device according to any one of claims 1 to 7, wherein the first light source and the second light source are blue solid light sources.

The lighting device according to any one of claims 1 to 8, wherein the first light source and the second light source are configured to be changeable to a desired light emission amount.

A wavelength selection member that transmits the second light and reflects the first light and the third light is provided at a connection portion between the first light guide member and the second light guide member. The illumination device according to any one of claims 1 to 9, wherein

A third light source that emits fourth light having a fourth wavelength component different from that of the first light source and the second light source, and the third light source is close to the second light guide member The illuminating device according to claim 1, wherein the illuminating device is arranged.

A fourth light source that emits fifth light having a fifth wavelength component;
The first light guide member includes a first light guide unit including a first wavelength conversion member that converts the first light into the second light including the second wavelength component;
A second wavelength in which the fourth light source is disposed in proximity and converts the fifth light from the fourth light source into sixth light containing a sixth wavelength component different from the second wavelength component. The second light guide part including the conversion member is joined to each other,
The first light guide unit and the second light guide unit are configured to transmit the second light and the sixth light emitted from the first light guide unit and the second light guide unit, respectively. The illumination device according to claim 1, wherein the illumination device is configured to be incident on a light member.

The illumination device according to claim 12, wherein a wavelength conversion member is provided at a joint portion between the first light guide portion and the second light guide portion.

The lighting device according to claim 11, wherein each light source is configured to be changeable to a desired light emission amount.

An image projection apparatus comprising the illumination device according to claim 1.

The image projection apparatus according to claim 15, further comprising a control unit that controls a light emission amount of each light source of the illumination apparatus and a light emission order and combination of the light sources.

17. The image according to claim 15, comprising: an image generation unit irradiated with illumination light emitted from the illumination device; and a projection optical system that projects an image modulated by the image generation unit. Projection device.

The color component selection member that extracts a plurality of lights having different wavelength components from the illumination light in a time division manner and guides them to the image generation unit between the illumination device and the image generation unit. The image projection device according to 17.

The color component selection member has a color selection region for selecting and extracting light of a predetermined wavelength component from the illumination light, and a transmission region for transmitting the illumination light, and each region is in the optical path of the illumination light. is configured to be sequentially arranged in time division, the optical path of the illumination light, when the transmission region is arranged, in accordance with the color of the image to be generated in the previous SL image generation unit, each of the lighting device The image projection apparatus according to claim 18, further comprising a control unit that changes a light emission order and a combination of the light sources.

The lighting device, as the illumination light, yellow light, is configured to emit combined light of blue light, and the yellow light and the blue light, the color selection area, retrieve the red light from the yellow light A first color selection area; and a second color selection area for extracting green light from the yellow light. The first color selection area or the second color selection area is arranged in the optical path of the illumination light. The control unit controls the light source of the illumination device to emit the yellow light, and when the transmission region is disposed in the optical path of the illumination light , the control unit The light emitting sequence and the combination of the light sources are changed according to the color of the image generated by the image generating unit, and control is performed so that any one of the yellow light, the blue light, and the combined light is emitted from the illumination device. 21. Image projection device as claimed.