US 2019/0058086 A1 · LED PANEL

Abstract

An LED panel is disclosed. The LED panel includes LED chips and a mount substrate on which the LED chips are mounted by flip bonding. Each of the LED chips includes a sapphire substrate, a plurality of light emitting cells disposed below the sapphire substrate, and an etched portion formed between the plurality of light emitting cells. Each of the LED chips includes a plurality of color cells formed corresponding to the plurality of light emitting cells on the sapphire substrate to change or maintain the color of light from the corresponding light emitting cells and a plurality of light collecting portions formed corresponding to the plurality of light emitting cells and the plurality of color cells on the bottom surface of the substrate and adapted to collect light from the corresponding light emitting cells on the corresponding color cells.

Claims20

Dependent claims

An LED device comprising:

a plurality of light emitting cells;
a substrate disposed over the plurality of light emitting cells and having a plurality of light collecting portions corresponding to the plurality of light emitting cells;
and
a plurality of color cells disposed over the substrate in correspondence to the plurality of light emitting cells, at least one of the plurality of color cells being configured to change the wavelength of light from the corresponding light emitting cell.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

16/168,098Filed 23 Oct 2018

Priority

KR 10-2017-008088127 Jun 2017

Published

21 Feb 2019

Term ends

Not estimatedThe source records don’t support an estimate.

Classification12 codes

H10H 20/813
Bodies: having a plurality of light-emitting regions, e.g. multi-junction LEDs or light-emitting devices having photoluminescent regions within…
H10H 20/815
Bodies: having stress relaxation structures, e.g. buffer layers
H10H 20/8312
Characterised by their shape: extending at least partially through the bodies
H10H 20/8316
Characterised by their shape: multi-layer electrodes comprising at least one discontinuous layer

Family

Application15/857,544Continuation · filed 28 Dec 2017

Application15/960,514Continuation · filed 23 Apr 2018

Application16/168,098Continuation

US 10,164,149 B1Related patent

US 10,636,938 B2Related patent

US 2018/0374989 A1Published application

US 9,985,175 B1Related patent

US 2019/0058086 A1This patent

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

Led panel

Life of this patent

Led panel

Life of this patent

Abstract

Claims20