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US 2009/0153973 A1Published application
Lens and method for manufacturing the same
AssigneeHon Hai Precision Industry Co., Ltd.
InventorMing-Chiang Tsai
Life of this patent
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Abstract
An exemplary lens (50) includes a central transparent portion (44) and a peripheral portion (35). The central transparent portion is configured for converging or diverging the light beams transmitted therethrough. The peripheral portion surrounds and extends from the central transparent portion. The peripheral portion is comprised of a shading material.
Claims13
A lens, comprising:
- a central transparent portion configured for converging or diverging light beams transmitted therethrough;
- and
- a peripheral portion surrounding and extending from the central transparent portion;
- wherein, the peripheral portion is comprised of a shading material.
1 more element
A method for manufacturing a lens, comprising the steps of:
- providing an apparatus including a cover die, a peripheral portion mold, and a central transparent portion mold;
- attaching the peripheral portion mold to the cover die, thereby the cover die and the peripheral portion mold cooperative defining a first receiving room;
- injecting a molten shading material into the first receiving room;
- forming a peripheral portion of the lens in the first receiving room;
- attaching the central transparent portion mold to the cover die, thereby the cover die, the peripheral portion and the central transparent portion mold cooperatively defining a second receiving room;
- injecting a molten transparent plastic material into the second receiving room;
- and
- forming a central transparent portion of the composite lens.
5 more elements
A lens comprising:
- a central transparent portion configured for converging or diverging light beams transmitted therethrough;
- and
- a peripheral opaque portion surrounding and extending from the central transparent portion;
- the central transparent portion and the peripheral opaque portion unitarily constituting the composite lens.
1 more element
Dependencies are inferred from the claim text.