Patent ID: 7268961
Filing Date: 2007-09-11
Classification: G02B,G03B

Abstract:
1. A jig for producing a color wheel including: a plurality of color filter segments which are arranged so as to form a disk, and each of which is outlined by a circular arc and two straight lines passing through a center of the disk; and a support member which is fixedly attached to the plurality of color filter segments, the jig comprising: a main body including a bottom portion having a flat seat functioning to receive thereon the plurality of color filter segments in a disk arrangement, and a through-hole going through the flat seat and functioning to receive and position the support member with reference to an outer circumferential surface of the support member, and a wall portion having a surface to which arced circumferential surfaces of the plurality of color filter segments are fitted; an inserter functioning to insert the support member into the through-hole of the main body; and a presser functioning to press the plurality of color filter segments against the support member.