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US 2007/0176187 A1Published application
Light source unit and projector with light source apparatus
AssigneeCasio Computer Co., Ltd.
InventorMasakuni Iwanaga
Life of this patent
Estimating the term…
Abstract
A light source unit includes a light emitting element, a substrate on which the light emitting surface is disposed, a sealing portion which transmits light from the light emitting surface and a collimator lens for forming light emitted from the sealing portion into a bundle of parallel rays of light, and the sealing portion has two or more convexly curved surfaces which project in a direction in which light is emitted therefrom.
Claims20
A light source unit comprising:
- a light emitting element;
- a substrate on which the light emitting element is disposed;
- a sealing portion which transmits light of the light emitting element;
- and
- a collimator lens for forming light emitted from the sealing portion into a bundle of parallel rays of light for emission therefrom,
- wherein the sealing portion has two or more convexly curved surfaces which project in a direction in which light is emitted therefrom.
3 more elements
A light source apparatus comprising:
- a plurality of light source units which are disposed adjacent to each other;
- the plurality of light source units each comprising a light emitting element, a substrate on which the light emitting element is disposed, a sealing portion which transmits light of the light emitting element and a collimator lens which forms light emitted from the sealing portion into a bundle of parallel rays of light for emission therefrom,
- wherein the sealing portions each have two or more convexly curved surfaces which project in a direction in which light is emitted therefrom.
A projector comprising:
- a light source apparatus;
- a light source side optical system;
- a display device for generating a projection image;
- a projection side optical system for projecting the projection image so generated;
- and
- a projector control unit,
- the light source apparatus comprising a plurality of light source units which are disposed adjacent to each other, the plurality of light source units each comprising a light emitting element, a substrate on which the light emitting element is disposed, a sealing portion which transmits light of the light emitting element and a collimator lens which forms light emitted from the sealing portion into a bundle of parallel rays of light for emission,
- wherein the sealing portions each have two or more convexly curved surfaces which project in a direction in which light is emitted therefrom.
5 more elements
Dependencies are inferred from the claim text.