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US 2017/0288095 A1Published application
Light-emitting device
AssigneeEpistar Corporation
InventorsChing-Tai CHENG, Yih-Hua RENN, Guan-Wu CHEN, Chun-Hua SHIH
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Abstract
A light-emitting device includes a light-emitting element, and a covering layer. The light-emitting element includes a top surface, a bottom surface, a light-emitting stack between the top surface and the bottom surface, and an adhesion enhancing layer surrounding the light-emitting stack. The covering layer covers the light-emitting element and contacts the adhesion enhancing layer. Moreover, the adhesion enhancing layer includes an oxide and a thickness greater than 5 nm and less than 1000 nm.
Claims18
A light-emitting device, comprising:
- a light-emitting element, having a topmost surface and a bottom surface, and comprising:
- a light-emitting stack comprising a plurality of outermost side surfaces;
- a first electrical contact and a second electrical contact, arranged under the light-emitting stack;
- and
- an adhesion enhancing layer surrounding the plurality of outermost side surfaces and comprising an oxide;
- and
- a covering layer, covering the light-emitting element and contacting the adhesion enhancing layer,
- wherein the adhesion enhancing layer has a thickness greater than 5 nm and less than 1000 nm, and
- wherein the adhesion enhancing layer is devoid of covering the bottom surface between the first electrical contact and the second electrical contact.
6 more elements
Dependencies are inferred from the claim text.