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US 2006/0124955 A1Published application
Method of manufacturing surface-emitting backlight, by molding contact member integrally with molded case
AssigneeRyoden Trading Company, Limited
InventorYasufumi Sakakibara
Life of this patent
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Abstract
A method of manufacturing a surface-emitting backlight is provided with the steps of forming a lead frame and resin-made molded case by insert molding, attaching light sources, which are red, blue and green LED dies, to contacts of the lead frame provided in a hollow space of the molded case, forming a light guide section by filling the hollow space with a transparent or semitransparent resin, and thereafter attaching a reflector sheet, and lens sheets (or diffuser sheets) in accordance with the applications of the backlight.
Claims7
A surface-emitting backlight comprising:
- a molded case made of a resin and provided with a hollow space having at least one inner surface serving as a reflective surface;
- a contact member for contact with emissive means integrally molded with said molded case such that conductive contacts of said contact member are exposed to an interior of said hollow space;
- emissive means arranged on at least one of said conductive contacts;
- and
- light guide means for covering said interior of said hollow space substantially evenly,
- wherein said at least one inner surface of said hollow space of said molded case is roughened for diffusion of light.
3 more elements
Dependencies are inferred from the claim text.