发明申请
- 专利标题： Member with concave portions, a method of manufacturing a member with convex portions, a transmission screen, and a rear projection
- 专利标题（中）： 具有凹部的构件，制造具有凸部的构件的方法，透射屏和后突起
-
申请号： US11262993申请日： 2005-10-31
-
公开(公告)号： US20060109549A1公开(公告)日： 2006-05-25
- 发明人: Nobuo Shimizu
- 申请人： Nobuo Shimizu
- 优先权： JP2004-318579 20041101
- 主分类号： G03B21/60
- IPC分类号： G03B21/60 ; G03B21/56
摘要：
A member 6 with concave portions used to manufacture a member with convex portions is disclosed. Each of the member 6 with concave portions and the member with convex portions has two major surfaces, and a plurality of convex portions are formed on one of the two major surfaces of the member with convex portions. The member 6 with concave portions includes: a first region 67 provided on one of the two major surfaces of the member 6 with concave portions, a plurality of first concave portions 61 being formed in the first region 67 and used to form the plurality of convex portions of the member with convex portions; and a second region 68 provided on the one major surface of the member with concave portions, the second region 68 being located adjacent to the first region 67, a plurality of second concave portions 62 being formed in the second region 68 as dummies.