JP2003140087A5 - - Google Patents

Claims (16)

An optical system having an optical element constituted by bonding together a prism-shaped first optical element piece and a second optical element piece each filled with an optical medium, and a substrate member for positioning and supporting the optical element Because
Forming a chamfered shape surface between a bonding surface in the first optical element piece and a surface adjacent to the bonding surface;
The substrate member is provided on at least one of a portion exposed by forming a chamfered shape surface on the first optical element piece and a chamfered shape surface of the bonding surface of the second optical element piece. An optical system characterized in that a positioning projection is brought into contact.   The optical system according to claim 1, wherein the chamfered surface extends in a direction parallel to a support surface direction of the substrate member.   The optical system according to claim 1, wherein the chamfered surface extends in a direction perpendicular to a support surface direction of the substrate member. An optical system having a plurality of prism-shaped optical elements each filled with an optical medium, and a substrate member that positions and supports the plurality of optical elements so as to face each other.
An optical device characterized in that positioning protrusions that contact the optical elements to determine the positions of the optical elements are regularly arranged between the optical elements facing each other on the substrate member. system. An optical system having an optical element group composed of a plurality of prism-shaped optical elements each filled with an optical medium, and a substrate member that positions and supports the optical elements so as to face each other.
An optical system characterized in that positioning protrusions that contact the optical elements to determine the positions of the optical elements are regularly arranged on the outer periphery of the optical element group on the substrate member. Internally with prismatic filled with an optical medium, respectively, an optical system having a plurality of optical elements substantially the same shape, and a substrate member for positioning the support so as to face the plurality of optical elements to each other,
The optical system, wherein the plurality of optical elements are fixed to the substrate member by an adhesive disposed between substantially the same region of each optical element and the substrate member. The optical element is configured by bonding together a prism-shaped first optical element piece and a second optical element piece, each of which is filled with an optical medium.
7. The adhesive according to claim 6, wherein the adhesive is disposed between substantially the same region in one of the first and second optical element pieces of each optical element and the substrate member. The optical system described. An optical system having a plurality of optical elements each formed in a prism shape filled with an optical medium and having a multilayer film surface therein, and a substrate member that positions and supports these optical elements so as to face each other. There,
The plurality of optical elements are arranged such that a position where lines extending the multilayer film surfaces of the optical elements in the plane direction intersect with each other is positioned at the center of the substrate member,
Wherein the plurality of the optical element and the substrate member, an optical system, characterized in that fixed by the region of adhesives in the vicinity of only young properly the center in the region near the center.   The optical system according to claim 8, wherein the adhesive is an inelastic adhesive.   9. The optical system according to claim 8, wherein the plurality of optical elements and the substrate member are fixed by an inelastic adhesive in a region near the center and bonded by an elastic adhesive in another region. .   9. The optical system according to claim 6, wherein a concave portion or a convex portion that defines a range in which the adhesive is disposed is formed in a region near the center on the substrate member.   The optical system according to claim 1, wherein the optical element is an optical element having a polarization separation surface. Light Science instrument you comprising the optical system according to any one of claims 1 to 12.   An image display optical system that displays an image using the optical system according to claim 1. 9. An image display optical system comprising: the optical system according to claim 8; and an image display element that modulates light incident through the optical system, and displays the light modulated by the image display element through the optical system. There,
An image display optical system, wherein the image display element is fixed to the substrate member with an adhesive.   A projection-type image display device comprising the image display optical system according to claim 14.