Light emitting device
US-10361344-B2 · Jul 23, 2019 · US
Light-emitting device
US10559722B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10559722-B2 |
| Application number | US-201716095920-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 25, 2017 |
| Priority date | Apr 26, 2016 |
| Publication date | Feb 11, 2020 |
| Grant date | Feb 11, 2020 |
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- Title
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- Abstract
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- Assignees and inventors
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- First independent claim
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Abstract
Official abstract text for this publication.
Provided is a light-emitting device of which a resin frame serving as a dam of a sealing resin is not readily deformed. The light-emitting device includes: a planar lead frame configured from first and second metal portions which are spaced apart from each other with an insulating resin interposed therebetween; light-emitting elements mounted on the first metal portion and electrically connected by wires to the first and second metal portions; a first resin frame disposed on the lead frame so as to enclose the light-emitting elements; a sealing resin containing a phosphor for converting the wavelength of light emitted from the light-emitting elements, the sealing resin being filled into a region on the lead frame enclosed by the first resin frame to seal the light-emitting elements; and a second resin frame being harder than the first resin frame and covering an outer surface of the first resin frame at an outer edge of the lead frame.
First claim
Opening claim text (preview).
The invention claimed is: 1. A light-emitting device comprising: a planar lead frame configured from first and second metal portions which are spaced apart from each other with an insulating resin interposed therebetween; light-emitting elements mounted on the first metal portion and electrically connected by wires to the first and second metal portions; a first resin frame disposed on the lead frame so as to enclose the light-emitting elements; a sealing resin containing a phosphor for converting a wavelength of light emitted from the light-emitting elements, the sealing resin being filled into a region on the lead frame enclosed by the first resin frame to seal the light-emitting elements; and a second resin frame being harder than the first resin frame and covering an outer surface of the first resin frame at an outer edge of the lead frame. 2. The light-emitting device according to claim 1 , wherein the first resin frame has a Shore A hardness of 30 to 50, and the second resin frame has a Shore D hardness of 30 to 90. 3. The light-emitting device according to claim 1 , wherein the first resin frame is disposed so that a portion thereof immediately above the insulating resin straddles the first and second metal portions.
Assignees
Inventors
Classifications
between laterally-adjacent chips · CPC title
Encapsulations, e.g. protective coatings · CPC title
Package configurations · CPC title
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US10559722B2 cover?
- Provided is a light-emitting device of which a resin frame serving as a dam of a sealing resin is not readily deformed. The light-emitting device includes: a planar lead frame configured from first and second metal portions which are spaced apart from each other with an insulating resin interposed therebetween; light-emitting elements mounted on the first metal portion and electrically connecte…
- Who is the assignee on this patent?
- Citizen Electronics, Citizen Watch Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01L33/486. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Feb 11 2020 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 4 related publications on this page (citations in our corpus or others sharing the same primary CPC).