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US 11,454,372 B2Granted
Mirror unit and light source device having the same
AssigneeUshio Denki Kabushiki Kaisha
InventorsHideki Nara, Yuichi Miura, Takayuki Kozakura
Life of this patent
Estimating the term…
Abstract
A mirror unit includes a plurality of reflective mirrors, a mirror holder on which the plurality of reflective mirrors are disposed and an adhesive member to bond and fix the reflective mirrors to the mirror holder. The mirror holder has a contact area where the reflective mirrors are to be in contact and a step in a direction away from the reflective mirror with respect to the contact area. The step has an adhesive fixing area on which an adhesive member is mounted.
Claims9
A mirror unit comprising:
- a plurality of reflective mirrors, each of the reflective mirrors having side surfaces and a reflective surface with peripheral ends, the reflective surface being configured to allow light to be incident;
- a mirror holder having outer surfaces for disposing the reflective mirrors thereon;
- and
- an adhesive member forming an enclosing portion including a first adhesive member and a third adhesive member for bonding and fixing the reflective mirrors to the mirror holder,
- wherein the mirror holder further includes a plurality of contact areas where a substantial portion of each of the reflective mirrors is in direct contact with a corresponding one of the contact areas without the adhesive member for support and heat dissipation, and
- an adhesive fixing area of the mirror holder located along at least one peripheral end of each of the reflective mirrors, the enclosing portion being formed by the first adhesive member provided on the reflective surface of both ends of the reflective mirror in the longitudinal direction and the third adhesive member provided on the adhesive fixing area of the mirror holder for bonding the reflective mirror to the adhesive fixing area of the mirror holder.
3 more elements
A mirror unit comprising:
- a plurality of reflective mirrors, each of the reflective mirrors having a reflective surface with peripheral ends, the reflective surface being configured to allow light to be incident;
- an adhesive member forming an enclosing portion including a first adhesive member and a second adhesive member for bonding the reflective mirrors,
- a mirror holder having a plurality of contact areas each with a flat surface for directly placing each of the reflective mirrors without the adhesive member on the flat surface for support and heat dissipation;
- wherein the mirror holder further includes a step whose portion located along and under at least one of the peripheral ends of each of the reflective mirrors when the reflective mirror is placed on the flat surface, the step further including an adhesive fixing area of the mirror holder, an enclosing portion being formed by the first adhesive member provided on the reflective surface of both ends of the reflective mirror in the longitudinal direction and the second adhesive member provided on the adhesive fixing area of the mirror holder for bonding the reflective mirror to the adhesive fixing area of the mirror holder.
1 more element
Dependencies are inferred from the claim text.