Illumination apparatus and image projection apparatus using the illumination apparatus

Claim 2

An illumination apparatus which illuminates a portion to be illuminated with light from a light source, comprising: a plurality of light emitting members which constitute the light source; a driving circuit configured to drive the respective light emitting members; a condenser optical system configured to condense an emitted light from the light emitting member driven by the driving circuit onto the portion to be illuminated; a light control member configured to perform at least one of change of a light path of the light from the light emitting member to illuminate the portion to be illuminated and movement of the light emitting member; a movable section configured to operate the light control member in a predetermined period; a light selection control section configured to control at least one of the movable section and driving circuit so as to select the light to illuminate the portion to be illuminated from the lights of the plurality of light emitting members, wherein the driving circuit drives the light emitting members so that several of the light emitting members among the plurality of light emitting members emit light simultaneously in at least a part of a light emitting period and wherein the condenser optical system comprises a multi emission point optical system formed of a plurality of optical systems disposed at approximately the same interval as a pitch (LP) of emission points of the light emitting members which emit light simultaneously.

Claim 3

The illumination apparatus according to claim 1 , wherein the movable section moves to rotate the light control member.

Claim 4

The illumination apparatus according to claim 2 , wherein the light control member has a columnar shape, and the light emitting members are arranged in a plane portion of the columnar shape.

Claim 5

The illumination apparatus according to claim 2 , wherein the light control member has a columnar shape, and the light emitting members are arranged in a curved surface portion of the columnar shape.

Claim 6

The illumination apparatus according to claim 1 , wherein the movable section moves to linearly move the light control member.

Claim 7

The illumination apparatus according to claim 5 , wherein the light control member has a plane portion, and the light emitting members are arranged in the plane portion of the light control member.

Claim 8

The illumination apparatus according to claim 5 , wherein the linear movement includes a linear movement in two directions crossing at right angles to each other.

Claim 9

The illumination apparatus according to claim 1 , wherein the light control member comprises a plurality of light control members.

Claim 10

The illumination apparatus according to claim 8 , wherein the light emitting members, each being respectively mounted on one of the plurality of light control members, emit light of colors different from those of the light emitting members mounted on the different light control members, and the apparatus further comprising: a color synthesis member configured to synthesize the lights from the different light emitting members.

Claim 11

The illumination apparatus according to claim 8 , wherein the movable section comprises transmission members configured to transmit operations of the plurality of light control members to each other.

Claim 12

The illumination apparatus according to claim 8 , wherein the condenser optical system comprises an optical array configured to condense the lights from the plurality of light emitting members onto the portion to be illuminated via optical systems disposed for the respective light emitting members, and the light control member is disposed for each optical system disposed for each of the plurality of light emitting members.

Claim 13

The illumination apparatus according to claim 1 , wherein the light control member in the movable section is a mirror, and the mirror is configured to swing about a predetermined rotation axis.

Claim 14

The illumination apparatus according to claim 1 , wherein the light control member in the movable section is a mirror, and the mirror is configured to rotate in a predetermined direction.

Claim 15

The illumination apparatus according to claim 1 , wherein emission points of the multi emission point optical system have a two-dimensional arrangement.

Claim 16

The illumination apparatus according to claim 14 , wherein the light emitting members which emit the lights in the emission points of the multi emission point optical system emit the light of different emission colors.

Claim 17

The illumination apparatus according to claim 15 , wherein a synthesized color of the different emission colors is white.

Claim 18

The illumination apparatus according to claim 14 , wherein the light emitting members which emit the lights in the emission points of the multi emission point optical system comprise light emitting members of a single color.

Claim 19

The illumination apparatus according to claim 1 , wherein an interval (PP) between the light emitting members arranged in the light control member is smaller than an interval (LP) of a plurality of optical systems of the multi emission point optical system.

Claim 20

The illumination apparatus according to claim 1 , wherein the light selection control section controls the emission point in a light emitting member optimum position onto which the lights are condensed by the condenser optical system in such a manner that the light is emitted in an emission position different from the emission point.

Claim 21

The illumination apparatus according to claim 19 , wherein a deviation of the emission point from the emission position is not more than a size of the light emitting member.

Claim 22

The illumination apparatus according to claim 1 , wherein the plurality of light emitting members comprise a plurality of different colors.

Claim 23

The illumination apparatus according to claim 21 , wherein the plurality of colors are three colors red (R), green (G), blue (B).

Claim 24

The illumination apparatus according to claim 1 , wherein the light control member further comprises a cooling mechanism configured to cool the light emitting member by the operation of the light control member.

Claim 25

The illumination apparatus according to claim 23 , wherein the cooling mechanism comprises at least one of a radiator member and blower blade member in addition to an optical use portion of the light control member.

Claim 26

The illumination apparatus according to claim 1 , wherein the light emitting member is a semiconductor light emitting element.

Claim 27

The illumination apparatus according to claim 1 , wherein the light emitting member is a carbon nano tube light emitting element.

Claim 28

An image projection apparatus comprising: an illumination apparatus which illuminates a portion to be illuminated with light from a light source, including: a plurality of light emitting members which constitute the light source; a driving circuit configured to drive the respective light emitting members; a condenser optical system configured to condense an emitted light from the light emitting member driven by the driving circuit onto the portion to be illuminated; a light control member configured to perform at least one of change of a light path of the light from the light emitting member to illuminate the portion to be illuminated and movement of the light emitting member; a movable section configured to operate the light control member in a predetermined period; and a light selection control section configured to control at least one of the movable section and driving circuit so as to select the light to illuminate the portion to be illuminated from the lights of the plurality of light emitting members; an image display element disposed in the portion to be illuminated of the illumination apparatus; a projection optical system configured to project an image of the image display element to display an enlarged image, wherein the driving circuit drives the light emitting members so that several of the light emitting members among the plurality of light emitting members emit light simultaneously in at least a part of a light emitting period, and wherein the condenser optical system comprises a multi emission point optical system formed of a plurality of optical systems disposed at approximately the same interval as a pitch (LP) of emission points of the light emitting members which emit light simultaneously.

Claim 29

An image projection apparatus comprising: an illumination apparatus which illuminates a portion to be illuminated with light from a light source, including: a plurality of light emitting members which constitute the light source; a driving circuit configured to drive the respective light emitting members; a condenser optical system configured to condense an emitted light from the light emitting member driven by the driving circuit onto the portion to be illuminated; a light control member configured to perform at least one of change of a light path of the light from the light emitting member to illuminate the portion to be illuminated and movement of the light emitting member; a movable section configured to operate the light control member in a predetermined period; and a light selection control section configured to control at least one of the movable section and driving circuit so as to select the light to illuminate the portion to be illuminated from the lights of the plurality of light emitting members; an image display element disposed in the portion to be illuminated of the illumination apparatus; a projection optical system configured to project an image of the image display element to display an enlarged image, wherein the driving circuit drives the light emitting members so that several of the light emitting members among the plurality of light emitting members emit light simultaneously in at least a part of a light emitting period, and wherein the condenser optical system comprises a multi emission point optical system formed of a plurality of optical systems disposed at approximately the same interval as a pitch (LP) of emission points of the light emitting members which emit light simultaneously.

Claim 30

The image projection apparatus according to claim 27 , wherein the movable section moves to rotate the light control member.

Claim 31

The image projection apparatus according to claim 28 , wherein the light control member has a columnar shape, and the light emitting members are arranged in a plane portion of the columnar shape.

Claim 32

The image projection apparatus according to claim 28 , wherein the light control member has a columnar shape, and the light emitting members are arranged in a curved surface portion of the columnar shape.

Claim 33

The image projection apparatus according to claim 27 , wherein the movable section moves to linearly move the light control member.

Claim 34

The image projection apparatus according to claim 31 , wherein the light control member has a plane portion, and the light emitting members are arranged in the plane portion of the light control member.

Claim 35

The image projection apparatus according to claim 31 , wherein the linear movement includes a linear movement in two directions crossing at right angles to each other.

Claim 36

The image projection apparatus according to claim 27 , wherein the light control member comprises a plurality of light control members.

Claim 37

The image projection apparatus according to claim 34 , wherein the respective light emitting members mounted on the plurality of light control members emit the light of colors different from those of the light emitting members mounted on the different light control members, and the illumination apparatus further comprising: a color synthesis member configured to synthesize the lights from the different light emitting members.

Claim 38

The image projection apparatus according to claim 34 , wherein the movable section comprises transmission members configured to transmit operations of the plurality of light control members to each other.

Claim 39

The image projection apparatus according to claim 34 , wherein the condenser optical system comprises an optical array configured to condense light from the plurality of light emitting members onto the portion to be illuminated via optical systems disposed for the respective light emitting members, and the light control member is disposed for each optical system disposed for each of the plurality of light emitting members.

Claim 40

The image projection apparatus according to claim 27 , wherein the light control member in the movable section is a mirror, and the mirror is configured to swing about a predetermined rotation axis.

Claim 41

The image projection apparatus according to claim 27 , wherein the light control member in the movable section is a mirror, and the mirror is configured to rotate in a predetermined direction.

Claim 42

The image projection apparatus according to claim 27 , wherein emission points of the multi emission point optical system have a two-dimensional arrangement.

Claim 43

The image projection apparatus according to claim 40 , wherein the light emitting members which emit the lights in the emission points of the multi emission point optical system emit the lights of different emission colors.

Claim 44

The image projection apparatus according to claim 41 , wherein a synthesized color of the different emission colors is white.

Claim 45

The image projection apparatus according to claim 40 , wherein the light emitting members which emit the lights in the emission points of the multi emission point optical system comprise light emitting members of a single color.

Claim 46

The image projection apparatus according to claim 40 , wherein an interval between the light emitting members arranged in the light control member is smaller than an emission point interval of the plurality of emission points of the multi emission point optical system.

Claim 47

The image projection apparatus according to claim 27 , wherein the light selection control section controls the emission point in a light emitting member optimum position onto which the lights are condensed by the condenser optical system in such a manner that the light is emitted in an emission position different from the emission point.

Claim 48

The image projection apparatus according to claim 45 , wherein a deviation of the emission paint from the emission position is not more than a size of the light emitting member.

Claim 49

The image projection apparatus according to claim 27 , wherein the plurality of light emitting members comprise a plurality of colors.

Claim 50

The image projection apparatus according to claim 47 , wherein the plurality of colors are three colors red (R), green (G), blue (B).

Claim 51

The image projection apparatus according to claim 27 , wherein the light control member further comprises a cooling mechanism configured to cool the light emitting member by the operation of the light control member.

Claim 52

The image projection apparatus according to claim 49 , wherein the cooling mechanism comprises at least one of a radiator member and blower blade member in addition to an optical use portion of the light control member.

Claim 53

The image projection apparatus according to claim 27 , wherein the light emitting member is a semiconductor light emitting element.

Claim 54

The image projection apparatus according to claim 27 , wherein the light emitting member is a carbon nano tube light emitting element.

Claim 55

An illumination apparatus which illuminates a portion to be illuminated with a light from light source, comprising: a plurality of light emitting members which constitute the light source; driving means for driving the respective light emitting members; condenser means for condensing an emitted light from the light emitting member driven by the driving means onto the portion to be illuminated; light control means for performing at least one of change of a light path of the light from the light emitting member to illuminate the portion to be illuminated and movement of the light emitting member; movable means for operating the light control member in a predetermined period; light selection control means for controlling at least one of the movable means and driving means so as to select the light to illuminate the portion to be illuminated from the lights of the plurality of light emitting members, wherein the driving means drives the light emitting members so that several of the light emitting members among the plurality of light emitting members emit light simultaneously in at least a part of a light emitting period, and wherein the condenser means comprises multi emission point optical means formed of a plurality of optical means disposed at approximately the same interval as a pitch (LP) of emission points of the light emitting members which emit light simultaneously.

Claim 56

An illumination apparatus which illuminates a portion to be illuminated with a light from light source, comprising: a plurality of light emitting members which constitute the light source; driving means for driving the respective light emitting members; condenser means for condensing an emitted light from the light emitting member driven by the driving means onto the portion to be illuminated; light control means for performing at least one of change of a light path of the light from the light emitting member to illuminate the portion to be illuminated and movement of the light emitting member; movable means for operating the light control member in a predetermined period; light selection control means for controlling at least one of the movable means and driving means so as to select the light to illuminate the portion to be illuminated from the lights of the plurality of light emitting members, wherein the driving means drives the light emitting members so that several of the light emitting members among the plurality of light emitting members emit light simultaneously in at least a part of a light emitting period, and wherein the condenser means comprises multi emission point optical means formed of a plurality of optical means disposed at approximately the same interval as a pitch (LP) of emission points of the light emitting members which emit light simultaneously.

Claim 57

An image projection apparatus comprising: an illumination apparatus for illuminating a portion to be illuminated with light from a light source, including: a plurality of light emitting members which constitute the light source; driving means for driving the respective light emitting members; condenser means for condensing an emitted light from the light emitting member drove by the driving means onto the portion to be illuminated; light control means for performing at least one of change of a light path of the light from the light emitting member to illuminate the portion to be illuminated and movement of the light emitting member; movable means for operating the light control member in a predetermined period; and light selection control means for controlling at least one of the movable means and driving means so as to select the light to illuminate the portion to be illuminated from the lights of the plurality of light emitting members; image display means disposed in the portion to be illuminated of the illumination apparatus; a projection optical system configured to project an image of the image display element to display enlarged image; wherein the driving means drives the light emitting members so that several of the light emitting members among the plurality of light emitting members emit light simultaneously in at least a part of a light emitting period, and wherein the condenser means comprises multi emission point optical means formed of a plurality of optical means disposed at approximately the same interval as a pitch (LP) of emission points of the light emitting members which emit light simultaneously.

Claim 58

An image projection apparatus comprising: an illumination apparatus for illuminating a portion to be illuminated with light from a light source, including: a plurality of light emitting members which constitute the light source; driving means for driving the respective light emitting members; condenser means for condensing an emitted light from the light emitting member drove by the driving means onto the portion to be illuminated; light control means for performing at least one of change of a light path of the light from the light emitting member to illuminate the portion to be illuminated and movement of the light emitting member; movable means for operating the light control member in a predetermined period; and light selection control means for controlling at least one of the movable means and driving means so as to select the light to illuminate the portion to be illuminated from the lights of the plurality of light emitting members; image display means disposed in the portion to be illuminated of the illumination apparatus; a projection optical system configured to project an image of the image display element to display enlarged image; wherein the driving means drives the light emitting members so that several of the light emitting members among the plurality of light emitting members emit light simultaneously in at least a part of a light emitting period, and wherein the condenser means comprises multi emission point optical means formed of a plurality of optical means disposed at approximately the same interval as a pitch (LP) of emission points of the light emitting members which emit light simultaneously.