Light Emitting Module and Lighting System
First Claim
Patent Images
1. A light emitting module comprising:
- a first light emitting element which emits first luminous color when being supplied with a current;
a second light emitting element which emits second luminous color when being supplied with a current;
a substrate on which the first light emitting element and the second light emitting element are surface mounted on the same plane;
a first sealing unit which seals the first light emitting element which is surface mounted on the substrate; and
a second sealing unit which seals the second light emitting element which is surface mounted on the substrate using a sealing member having a higher refractive index than that in the first sealing unit, and is arranged so as to form an interface between the first sealing unit and the second sealing unit.
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Abstract
A light emitting module includes a toric sealing unit which seals blue LEDs arranged in a toric shape on a substrate from above, and a sealing unit which seals red LEDs arranged in the vicinity of a center of the toric shape of the blue LEDs. The sealing unit is formed to fill the inside of the toric shape of the toric sealing unit. The sealing unit has a refractive index of light higher than that of the toric sealing unit. The light which are emitted from the blue LEDs and the red LEDs, are refracted on the interface between the sealing unit and sealed gas, and proceed to the direction of the sealed gas, thereby being composed appropriately.
15 Citations
13 Claims
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1. A light emitting module comprising:
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a first light emitting element which emits first luminous color when being supplied with a current; a second light emitting element which emits second luminous color when being supplied with a current; a substrate on which the first light emitting element and the second light emitting element are surface mounted on the same plane; a first sealing unit which seals the first light emitting element which is surface mounted on the substrate; and a second sealing unit which seals the second light emitting element which is surface mounted on the substrate using a sealing member having a higher refractive index than that in the first sealing unit, and is arranged so as to form an interface between the first sealing unit and the second sealing unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A lighting system comprising:
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a light emitting module which comprises, a first light emitting element which emits first luminous color when being supplied with a current; a second light emitting element which emits second luminous color when being supplied with a current; a substrate on which the first light emitting element and the second light emitting element are surface mounted on the same plane; a first sealing unit which seals the first light emitting element which is surface mounted on the substrate; and a second sealing unit which seals the second light emitting element which is surface mounted on the substrate using a sealing member having a higher refractive index than that in the first sealing unit, and is arranged so as to form an interface between the first sealing unit and the second sealing unit. - View Dependent Claims (11, 12, 13)
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Specification