US 2016/0365484 A1 · LIGHT EMITTING DEVICE

Abstract

A light emitting device includes a metal layer, a light emitting structure, an electrode disposed on a first upper portion of a second conductive type semiconductor layer, a current spreading portion disposed on a second upper portion of the second conductive type semiconductor layer, an adhesive layer disposed under a first conductive type semiconductor layer, an insulating layer disposed between the electrode and the adhesive layer, a passivation layer disposed on a side surface of the light emitting structure and on a at least one upper surface of the light emitting structure, and a reflective layer disposed between the metal layer and the first conductive type semiconductor layer.

Claims20

Dependent claims

A light emitting device comprising:

a light emitting structure comprising a first semiconductor layer, an active layer and a second semiconductor layer;
a first conductive member, a second conductive member comprising a first portion and a second portion disposed on the light emitting structure;
and
a conductive layer disposed on the first conductive member and the first portion of the second conductive member;
wherein the conductive layer is directly contact with an upper surface of the first portion, an upper surface of the second portion and an upper surface of the light emitting structure,
wherein the first conductive member has a multi-layered structure having a first layer and a second layer, and
wherein the first layer is a lowermost layer of the conductive member and the second layer is directly in-contact with the first layer which has Ag.

4 more elements

A light emitting device comprising:

a first electrode comprising one of Au and Ni;
a transparent layer;
a light emitting structure on the transparent layer;
a first conductive member, a second conductive member comprising a first portion and a second portion disposed on the light emitting structure;
a conductive layer disposed on the first conductive member, the first portion and the second portion of the second conductive member;
wherein at least one of the first conductive member, the first portion and the second portion has an inclined surface,
wherein the conductive layer is directly contact with an upper surface of the first portion, an upper surface of the second portion and an upper surface of the light emitting structure,
wherein the first conductive member has a multi-layered structure which has a first layer and a second layer,
wherein the first layer is a lowermost layer of the conductive member and the second layer is directly in-contact with the first layer has Ag,
wherein the transparent layer has a first sub-layer comprising Ti and a second sub-layer comprising SiO2 on the first sub-layer,
wherein the second sub-layer vertically overlaps with the first conductive member,
wherein an upper surface of the conductive layer is higher than an upper surface of the first conductive member, the first portion and the second portion,
wherein the conductive layer is spaced apart from an edge of a top surface of the light emitting structure,
wherein a side surface of the light emitting structure has an inclined surface, and
wherein at least one portion of the upper surface of the light emitting structure is exposed from the conductive layer.

12 more elements

Dependencies are inferred from the claim text.

Facts

Application

15/244,724Filed 23 Aug 2016

Priority

KR 10-2010-002128910 Mar 2010

Published

15 Dec 2016

Term ends

Not estimatedThe source records don’t support an estimate.

Classification12 codes

H10H 20/82
Characterised by their shape, e.g. curved or truncated substrates: roughened surfaces, e.g. at the interface between epitaxial layers
H10H 20/01
Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]: manufacture or treatment
H10H 20/83
Constructional details: electrodes
H10H 20/831
Electrodes: characterised by their shape

Family

Application12/943,628Continuation · filed 10 Nov 2010

Application14/179,420Continuation · filed 12 Feb 2014

Application15/244,724Continuation

US 2011/0220937 A1Published application

US 2014/0159095 A1Published application

US 8,653,547 B2Related patent

US 9,455,377 B2Related patent

US 9,899,567 B2Related patent

US 2016/0365484 A1This patent

From the US filing history. Foreign family members aren’t listed.

Light emitting device

Life of this patent

Light emitting device

Life of this patent

Abstract

Claims20