Invention Grant
- Patent Title: Light source unit having reflective wall surfaces and light-emitting elements, and projector utilizing the light source unit
- Patent Title (中): 具有反射壁面和发光元件的光源单元，以及利用光源单元的投影仪
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Application No.: US11810993Application Date: 2007-06-07
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Publication No.: US08096662B2Publication Date: 2012-01-17
- Inventor: Yukio Suzuki
- Applicant: Yukio Suzuki , Yumi Suzuki, legal representative
- Applicant Address: JP Tokyo
- Assignee: Casio Computer Co., Ltd.
- Current Assignee: Casio Computer Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Holtz, Holtz , Goodman & Chick, PC
- Priority: JP2006-160299 20060608
- Main IPC: G03B21/28
- IPC: G03B21/28
Abstract:
A light source unit has a main body portion and light emitting elements, and the main body portion includes wall surfaces which constitute reflecting planes which are inclined so as to define a rectangular projecting port, and an inclination of the wall surfaces lying on longer member sides constitutes an inclined angle which is smaller than an inclination of the wall surfaces lying shorter member sides of the projecting port, the wall surfaces on the shorter member sides being each formed into a trapezoidal shape.
Public/Granted literature
- US20070285928A1 Light source unit and projector utilizing the light source unit Public/Granted day:2007-12-13
Information query
