Light-emitting unit and method for producing same as well as lead frame used for producing light-emitting unit
1 Assignment
0 Petitions
Accused Products
Abstract
A surface mount type light-emitting unit composed of a light-emitting device, a first lead connected electrically with a first electrode of the light-emitting device, a second lead connected electrically with a second electrode of the light-emitting device, and a clear insulator for sealing the light-emitting device, a connecting section of the first electrode of the light-emitting device and the first lead, and a connecting section of the second electrode of the light-emitting device and the second lead wherein connecting terminal sections of the first and second leads for connecting them with external devices, respectively, are placed on a surface of the insulator, comprises an end of the first lead being molded into a cup-shaped portion having a flat bottom; the light-emitting device being bonded to the bottom inside a reflecting section corresponding to the molded cup-shaped portion of the first lead; and a surface opposed to that of the reflecting, section on which the light-emitting device has been bonded being exposed to the surface of the insulator.
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Citations
33 Claims
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1-16. -16. (canceled)
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17. A method for producing a light-emitting unit of a surface mount type including:
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a lead frame forming step for opening a tape-like conductive plate into a predetermined profile to form a lead frame involving a first lead and a second lead;
a light-emitting device mounting step for bonding a light-emitting device to a predetermined position in the lead frame formed in said lead frame forming step to connect electrically a first electrode of said light-emitting device with said first lead as well as to connect electrically a second electrode of said light-emitting device with said second lead;
a sealing step for sealing said light-emitting device, a connecting section of said first electrode of the light-emitting device and said first lead, and a connecting section of said second electrode of the light-emitting device and said second lead with a clear insulator after conducting said light-emitting device mounting step; and
a fragmenting step for cutting off portions of said first lead and said second lead, which have been protruded from said insulator, to fragment them;
comprising;
said lead frame forming step involving a step for opening said conductive plate to define said first lead and said second lead, anda step for molding an extreme end of said first lead to form a cup-shaped reflecting section having a flat bottom; and
said light-emitting device mounting step involving a step for bonding said light-emitting device to the bottom inside said reflecting section of said first lead. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33-36. -36. (canceled)
Specification