LED device and method of manufacture
AssigneePoro Technologies Ltd
InventorsYingjun Liu, Tongtong Zhu, Muhammad Ali
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Abstract
A method of manufacturing an LED device comprises the steps of: providing a template comprising a first porous region of III-nitride material; forming a first LED structure on the template above the first porous region; and forming a second LED structure on the template, in which the second LED structure is not positioned above the first porous region. An LED device comprises a first LED structure, over a first porous region of III-nitride material; and a second LED structure which is not positioned over the first porous region. A three colour LED device is also provided.
Claims30
A method of manufacturing a light-emitting diode (LED) device, the method comprising:
- providing a template comprising a first porous region of III-nitride material;
- forming a first LED structure on the template above the first porous region;
- and
- forming a second LED structure on the template, in which the second LED structure is not positioned above the first porous region,
- in which the template comprises anon-porous intermediate layer of III-nitride material above the first porous region, and in which the first and second LED structures are formed on the non-porous intermediate layer.
A light-emitting diode (LED) device, comprising:
- a first porous region of III-nitride material, a non-porous intermediate layer of III-nitride material above the first porous region,
- a first LED structure, over the first porous region of III-nitride material;
- and
- a second LED structure which is not positioned over the first porous region,
- in which the first LED structure and the second LED structure are positioned on the non-porous intermediate layer of III-nitride material.
A three colour light-emitting diode (LED) device, comprising:
- a first LED structure, which is configured to emit light at a first emission wavelength, over a first porous region of III-nitride material;
- a second LED structure, which is configured to emit light at a second emission wavelength different from the first emission wavelength, the second LED structure not being positioned over the first porous region;
- a third LED structure, which is configured to emit light at a third emission wavelength different from the first and second emission wavelengths, the third LED structure not being positioned over the first porous region,
- in which the second LED structure and/or the third LED structure is positioned over a non-porous region of III-nitride material, the non-porous region of III-nitride material being arranged in a same plane as the first porous region.
Dependencies are inferred from the claim text.