JP2016099477A5

JP2016099477A5 -

Info

Publication number: JP2016099477A5
Application number: JP2014235860A
Authority: JP
Filing date: 2014-11-20
Publication date: 2017-06-15

Description

請求項に記載の発明は、投影面上の第１投影領域および第２投影領域のそれぞれに異なる画像を投影する投影装置により実行されるプログラムであって、１つの光源ユニットにより、前記第１投影領域に投影される第１画像と前記第２投影領域に投影される第２画像を含む画像に基づいてレーザ光を射出するレーザ光射出工程と、分割手段により、前記レーザ光を、それぞれ進行方向が異なる第１ビームおよび第２ビームに分割する分割工程と、第１走査手段により、前記第１ビームを、前記第１投影領域に前記第１画像を構成する光を照射させる第１光学手段の入射面上に走査する第１走査工程と、第２走査手段により、前記第２ビームを、前記第２投影領域に前記第２画像を構成する光を照射させる第２光学手段の入射面上に走査する第２走査工程と、前記第１走査手段および前記第２走査手段を制御する制御工程と、を前記投影装置に実行させ、前記制御工程は、前記第１光学手段の入射面上に前記第１ビームのうちの前記第１画像に対応する部分が走査されるように前記第１走査手段を制御するとともに、前記第２光学手段の入射面上に前記第２ビームのうちの前記第２画像に対応する部分が走査されるように前記第２走査手段を制御する。
請求項に記載の発明は、第１投影領域および第２投影領域に画像を投影する投影装置であって、レーザ光を射出する１つの光源ユニットと、前記レーザ光を、それぞれ進行方向が異なる第１ビームおよび第２ビームに分割する分割手段と、前記第１ビームを、前記第１投影領域に投影される第１画像を構成する為に走査する第１走査手段と、前記第２ビームを、前記第２投影領域に投影される第２画像を構成する為に走査する第２走査手段と、を備える。 The invention described in the claims is a program executed by a projection apparatus that projects different images on the first projection area and the second projection area on the projection plane, and the first projection is performed by one light source unit. A laser light emitting step of emitting laser light based on an image including a first image projected onto the region and a second image projected onto the second projection region; A first optical means for irradiating the first projection area with light constituting the first image by a first scanning means and a splitting step for splitting the first beam and the second beam different from each other. On the incident surface of the second optical means for irradiating the second projection area with the light constituting the second image by the first scanning step of scanning on the incident surface and the second scanning means. First to scan A scanning step and a control step for controlling the first scanning unit and the second scanning unit are caused to be executed by the projection apparatus, and the control step includes the step of irradiating the first beam on the incident surface of the first optical unit. The first scanning unit is controlled so that the portion corresponding to the first image is scanned, and the second image of the second beam is corresponding to the incident surface of the second optical unit. The second scanning means is controlled so that the portion is scanned.
The invention described in the claims is a projection device that projects an image on a first projection area and a second projection area, and a light source unit that emits laser light and the laser light having different traveling directions. Splitting means for splitting into one beam and a second beam; first scanning means for scanning the first beam to form a first image projected onto the first projection region; and the second beam; Second scanning means for scanning to form a second image projected on the second projection area.

Claims

A projection device that projects different images on each of a first projection area and a second projection area on a projection plane,
One light source unit that emits laser light based on an image including a first image projected onto the first projection area and a second image projected onto the second projection area;
Splitting means for splitting the laser light into a first beam and a second beam having different traveling directions;
First scanning means for scanning the first beam onto an incident surface of a first optical means for irradiating the first projection region with light constituting the first image;
Second scanning means for scanning the second beam onto an incident surface of a second optical means for irradiating the second projection region with light constituting the second image;
Control means for controlling the first scanning means and the second scanning means;
With
The control means controls the first scanning means so that a portion of the first beam corresponding to the first image is scanned on the incident surface of the first optical means, and the second optical The projection apparatus, wherein the second scanning unit is controlled such that a portion of the second beam corresponding to the second image is scanned on an incident surface of the unit.

A light-shielding portion disposed around the first optical means and the second optical means and shields the first beam or the second beam that has not been scanned on the incident surface of the first optical means or the second optical means. The projection apparatus according to claim 1, further comprising:

First signal acquisition means for acquiring an image signal corresponding to the first image;
Second signal acquisition means for acquiring an image signal corresponding to the second image;
Based on the image signal acquired by the first signal acquisition means and the second signal acquisition means, and a composite image generation means for generating a composite image configured by arranging the first image and the second image. ,
The projection apparatus according to claim 1, wherein the light source unit emits laser light based on the composite image.

When the first scanning unit scans the central region of the scannable range of the first scanning unit, the control unit transmits the first beam incident on the first scanning unit to the first optical unit. The first scanning means is controlled so as to reflect toward the central area of the incident surface of the second scanning means, and the second scanning means scans the central area of the scannable range of the second scanning means. 4. The second scanning unit according to claim 1, wherein the second scanning unit is controlled to reflect a second beam incident on the second scanning unit toward a central region of an incident surface of the second optical unit. The projection device according to any one of the above.

When one reciprocating scan in the main scanning direction of the first scanning unit and the second scanning unit is defined as one cycle, the scanning timing of the first scanning unit and the second scanning unit is shifted by about ¼ cycle. The projection apparatus according to any one of claims 1 to 4, wherein the projection apparatus includes:

The control means scans a portion corresponding to the first image of the first beam on the incident surface of the first optical means in the center, and a portion corresponding to the second image corresponds to the first image. The first scanning means is controlled so as to be scanned to the left and right positions of the portion corresponding to the portion, and the portion corresponding to the second image of the second beam on the incident surface of the second optical means 2. The second scanning means is controlled so that the second scanning means is scanned in the center and the portion corresponding to the first image is scanned to the left and right positions of the portion corresponding to the second image. 4. The projection device according to any one of 3.

A projection method executed by a projection apparatus that projects different images on a first projection area and a second projection area on a projection plane,
A laser light emission step of emitting laser light based on an image including a first image projected onto the first projection area and a second image projected onto the second projection area by one light source unit;
A splitting step of splitting the laser beam into a first beam and a second beam having different traveling directions by a splitting unit;
A first scanning step of scanning the first beam on the incident surface of the first optical means for irradiating the first projection area with light constituting the first image by the first scanning means;
A second scanning step of scanning the second beam on the incident surface of the second optical means for irradiating the second projection area with the light constituting the second image by the second scanning means;
A control step for controlling the first scanning means and the second scanning means;
With
The control step controls the first scanning unit so that a portion corresponding to the first image of the first beam is scanned on the incident surface of the first optical unit, and the second optical unit. A projection method comprising: controlling the second scanning unit so that a portion of the second beam corresponding to the second image is scanned on an incident surface of the unit.

A program executed by a projection device that projects different images on each of a first projection area and a second projection area on a projection plane,
A laser light emission step of emitting laser light based on an image including a first image projected onto the first projection area and a second image projected onto the second projection area by one light source unit;
A splitting step of splitting the laser beam into a first beam and a second beam having different traveling directions by a splitting unit;
A first scanning step of scanning the first beam on the incident surface of the first optical means for irradiating the first projection area with light constituting the first image by the first scanning means;
A second scanning step of scanning the second beam on the incident surface of the second optical means for irradiating the second projection area with the light constituting the second image by the second scanning means;
A control step for controlling the first scanning means and the second scanning means;
To the projection device,
The control step controls the first scanning unit so that a portion corresponding to the first image of the first beam is scanned on the incident surface of the first optical unit, and the second optical unit. A program for controlling the second scanning means so that a portion of the second beam corresponding to the second image is scanned on an incident surface of the means.

A storage medium storing the program according to claim 8.

A projection device that projects an image on a first projection area and a second projection area,
One light source unit for emitting laser light;
Splitting means for splitting the laser light into a first beam and a second beam having different traveling directions;
First scanning means for scanning the first beam to form a first image projected onto the first projection region;
Second scanning means for scanning the second beam to form a second image projected onto the second projection region;
A projection apparatus comprising: