CN106601885A - Light emitting diode epitaxial structure and growth method thereof - Google Patents
Light emitting diode epitaxial structure and growth method thereof Download PDFInfo
- Publication number
- CN106601885A CN106601885A CN201611167259.0A CN201611167259A CN106601885A CN 106601885 A CN106601885 A CN 106601885A CN 201611167259 A CN201611167259 A CN 201611167259A CN 106601885 A CN106601885 A CN 106601885A
- Authority
- CN
- China
- Prior art keywords
- type
- layer
- doping
- heavy
- light emitting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000012010 growth Effects 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000007547 defect Effects 0.000 claims abstract description 51
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 239000010410 layer Substances 0.000 claims description 131
- 239000002356 single layer Substances 0.000 claims description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 229910052593 corundum Inorganic materials 0.000 claims description 5
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 5
- 238000002347 injection Methods 0.000 abstract description 8
- 239000007924 injection Substances 0.000 abstract description 8
- 238000009827 uniform distribution Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 241000209202 Bromus secalinus Species 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 238000005215 recombination Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/20—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate
- H01L33/24—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate of the light emitting region, e.g. non-planar junction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/005—Processes
- H01L33/0062—Processes for devices with an active region comprising only III-V compounds
- H01L33/0075—Processes for devices with an active region comprising only III-V compounds comprising nitride compounds
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/12—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a stress relaxation structure, e.g. buffer layer
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Led Devices (AREA)
Abstract
The invention discloses a light emitting diode epitaxial structure. An N-type layer is grown on a surface of a substrate, a V-type defect pit is formed on a surface of the N-type layer, an active layer is grown on the N-type layer on which the V-type defect pit is formed, an opening form and opening depth of the V-type defect pit are kept on the active layer, a P-type layer is grown on the active layer, and the V-type defect pit is filled and levelled up. The invention further discloses a growth method of the light emitting diode epitaxial structure. The light emitting diode epitaxial structure is advantaged in that injection efficiency of an electronic and hole-direction active region can be enhanced, uniform distribution of the electronic and hole-direction active region is realized, internal quantum efficiency of the active region can be further enhanced, and light emitting efficiency is improved.
Description
Technical field
The present invention relates to LED technology field, refers in particular to epitaxial structure and its growth of a kind of light emitting diode
Method.
Background technology
In prior art, the usual extension of White-light LED chip GaN base multi-layer film structure on a sapphire substrate, which lights
Efficiency=carrier injection efficiency(IE)× internal quantum efficiency(IQE)× light extraction efficiency(EE).Due to swashing that Mg in p-type GaN adulterates
Active rate is low, and effective hole concentration only has 1-5E17/cm3, far below the activation efficiency and effective electron of Si doping in N-type GaN
Concentration 5E18/cm3-2E19/cm3, therefore, hole injection efficiency is the bottleneck of luminous efficiency.As hole injection efficiency is than electricity
Son is low, easily causes electronics leakage, generally shows as the 1-2 QW only near p-type GaN(SQW)It is main to send out
Light, other QW do not light or luminous extremely weak.
As shown in figure 1, a kind of LED structure that prior art is disclosed, grows active layer 20, on active layer 20 in N-type layer 10
Growing P-type layer 30, the N-type layer 10, active layer 20 and P-type layer 30 are all planar structure, and three-decker is parallel to each other, its hole,
Electronics flows and is combined as shown in Figure 1a, and * represents that electron-hole recombinations light, ↓ current/electric field direction is represented ,+represent p-type
Layer ,-N-type layer is represented, as shown in Figure 1a, its luminous efficiency is relatively low.
In order to increase the injection in hole, the luminous efficiency of light emitting diode is improved, prior art improves a kind of LED junction
Structure, 10 planar growth active layer 20 of N-type layer form V-type defect hole 201 on active layer 20, form the active of V-type defect hole 201
Growing P-type layer 30 on 20 concave face of layer, as shown in Figure 2.Its hole, electronics are flowed and are combined as shown in Figure 2 a, and * represents electronics
Hole-recombination lights, ↓ current/electric field direction is represented ,+P-type layer is represented ,-represent N-type layer.Have a disadvantage in that:V-type defect is cheated
Distance from bottom N-type layer it is nearer, easily form electric leakage and electronics revealed, so as to affect photoelectric properties.
The content of the invention
It is an object of the invention to provide the epitaxial structure and its growing method of a kind of light emitting diode, with increase electronics and
Injection efficiency of the hole to active area, makes electronics and hole obtain uniform distribution in active area, and then increases amount in active area
Sub- efficiency, improves luminous efficiency.
To reach above-mentioned purpose, the solution of the present invention is:
A kind of epitaxial structure of light emitting diode, grows N-type layer in substrate surface, and N-type layer surface forms V-type defect hole, in shape
Active layer is grown in the N-type layer in V-type defect hole, and the open shape and opening depth in V-type defect hole are kept on active layer,
On active layer growing P-type layer and by V-type defect hole fill and lead up.
Further, N-type layer is included in unintentional doping that substrate surface grows from the bottom to top successively or n-type doping
AlxInyGa(1-x-y)N shell, the Al of heavy N-type dopingxInyGa(1-x-y)N shell and the Al of heavy N-type dopingxInyGa(1-x-y)N Stress Releases
Layer, V-type defect hole are formed at the Al of heavy N-type dopingxInyGa(1-x-y)N Stress Release layer surfaces;Wherein, 0≤x≤1,0≤y≤
1, n-type doping concentration is 0-1E20cm-3, heavy N-type doping content is 1E18-1E20cm-3。
Further, the Al of unintentional doping or n-type dopingxInyGa(1-x-y)N shell is single or multiple lift structure, each layer
Thickness is 0-10um, and n-type doping source is Si, Hf or C element.
Further, the Al of heavy N-type dopingxInyGa(1-x-y)N shell is single or multiple lift structure, and each layer of thickness is 0-
10um, n-type doping source are Si, Hf or C element.
Further, the Al of heavy N-type dopingxInyGa(1-x-y)N stress release layers be single or multiple lift structure, each layer of thickness
Spend for 0-10um, n-type doping source is Si, Hf or C element.
Further, the Al of unintentional doping or n-type dopingxInyGa(1-x-y)N shell and the Al of heavy N-type dopingxInyGa(1-x-y)N
Form the break-through dislocation being connected with each other in layer respectively, V-type defect hole is formed at the top of break-through dislocation, and V-type defect hole opening is big
It is little for 0-1um, depth is 0-1um.
Further, active layer is AlxInyGa(1-x-y)The monolayer of N, multilamellar, superlattices or multi-quantum pit structure, wherein 0≤
X≤1,0≤y≤1, each layer of thickness 0-1um.
Further, substrate is Al2O3, SiC, Si, GaN or AlN.
Further, P-type layer is AlxInyGa(1-x-y)The monolayer of N, multilamellar, superlattices or multi-quantum pit structure, wherein 0≤x
≤ 1,0≤y≤1, each layer of thickness is 0-1um;P-type doped source be Mg elements, doping content 1E17-1E21cm-3。
A kind of epitaxial structures growth method of light emitting diode, comprises the following steps:
One, N-type layer is grown in substrate surface, N-type layer surface forms V-type defect hole;
Two, active layer is grown in the N-type layer for forming V-type defect hole, and the open shape in V-type defect hole is kept on active layer
With opening depth;
Three, on active layer growing P-type layer and by V-type defect hole fill and lead up.
Further, comprise the following steps when N-type layer is grown:Unintentional mix what substrate surface was grown from the bottom to top successively
The Al of miscellaneous or n-type dopingxInyGa(1-x-y)N shell, the Al of heavy N-type dopingxInyGa(1-x-y)What N shell and heavy N-type were adulterated
AlxInyGa(1-x-y)N stress release layers, V-type defect hole are formed at the Al of heavy N-type dopingxInyGa(1-x-y)N stress release layer tables
Face;Wherein, 0≤x≤1,0≤y≤1, n-type doping concentration are 0-1E20cm-3, heavy N-type doping content is 1E18-1E20cm-3。
Further, the Al of unintentional doping or n-type dopingxInyGa(1-x-y)N shell is single or multiple lift structure, each layer
Thickness is 0-10um, and n-type doping source is Si, Hf or C element.
Further, the Al of heavy N-type dopingxInyGa(1-x-y)N shell is single or multiple lift structure, and each layer of thickness is 0-
10um, n-type doping source are Si, Hf or C element.
Further, the Al of heavy N-type dopingxInyGa(1-x-y)N stress release layers be single or multiple lift structure, each layer of thickness
Spend for 0-10um, n-type doping source is Si, Hf or C element.
Further, the Al of unintentional doping or n-type dopingxInyGa(1-x-y)N shell and the Al of heavy N-type dopingxInyGa(1-x-y)N
Form the break-through dislocation being connected with each other in layer respectively, V-type defect hole is formed at the top of break-through dislocation, and V-type defect hole opening is big
It is little for 0-1um, depth is 0-1um.
Further, active layer is AlxInyGa(1-x-y)The monolayer of N, multilamellar, superlattices or multi-quantum pit structure, wherein 0≤
X≤1,0≤y≤1, each layer of thickness 0-1um.
Further, substrate is Al2O3, SiC, Si, GaN or AlN.
Further, P-type layer is AlxInyGa(1-x-y)The monolayer of N, multilamellar, superlattices or multi-quantum pit structure, wherein 0≤x
≤ 1,0≤y≤1, each layer of thickness is 0-1um;P-type doped source be Mg elements, doping content 1E17-1E21cm-3。
After using such scheme, N-type layer surface of the present invention forms V-type defect hole, grows active layer in N-type layer, and
The open shape and opening depth in V-type defect hole are kept on active layer, growing P-type layer V-type defect hole is filled out on active layer
It is flat, so as to obtain space folding and parallel P-N junction, increase electronics and hole to the injection efficiency of active area, make electronics and sky
Cave obtains more uniform distribution in active area, and then increases active area internal quantum efficiency, improves luminous efficiency.
Description of the drawings
Fig. 1 is prior art light emitting diode epitaxial structure schematic diagram;
Fig. 1 a are prior art light emitting diode epitaxial structure hole, electronics flowing and are combined schematic diagram;
Fig. 2 is another light emitting diode epitaxial structure schematic diagram of prior art;
Fig. 2 a are another light emitting diode epitaxial structure hole of prior art, electronics flowing and are combined schematic diagram;
Fig. 3 is light emitting diode epitaxial structure schematic diagram of the present invention;
Fig. 3 a are light emitting diode epitaxial structure hole of the present invention, electronics flowing and are combined schematic diagram;
Fig. 4 to Fig. 8 is the growth flow chart of the present invention.
Label declaration
10 active layer 20 of N-type layer
V-type defect cheats 201 P-type layers 30
Substrate 1
Unintentional doping or the Al of n-type dopingxInyGa(1-x-y)N shell 2
Break-through dislocation 21
The Al of heavy N-type dopingxInyGa(1-x-y)N shell 3
31 Al of break-through dislocationxInyGa(1-x-y)N stress release layers 4
V-type defect cheats 5 active layers 6
7 N-type layer 8 of P-type layer.
Specific embodiment
The present invention is described in detail below in conjunction with drawings and the specific embodiments.
Refering to shown in Fig. 4 to Fig. 8, a kind of epitaxial structures growth method of light emitting diode that the present invention is disclosed, including with
Lower step:
One, as shown in figure 4, in the unintentional doping of 1 superficial growth of substrate or the Al of n-type dopingxInyGa(1-x-y)N shell 2, wherein, 0
≤ x≤1,0≤y≤1, n-type doping concentration are 0-1E20cm-3.Unintentional doping or the Al of n-type dopingxInyGa(1-x-y)In N shell 2
As stress forms break-through dislocation 21.Unintentional doping or the Al of n-type dopingxInyGa(1-x-y)N shell 2 is single or multiple lift
Structure, each layer of thickness is 0-10um, and n-type doping source is Si, Hf or C element.Substrate 1 is Al2O3, SiC, Si, GaN or
AlN。
Two, as shown in figure 5, in unintentional doping or the Al of n-type dopingxInyGa(1-x-y)Heavy N-type doping is grown on N shell 2
AlxInyGa(1-x-y)N shell 3, wherein, 0≤x≤1,0≤y≤1, heavy N-type doping content are 1E18-1E20cm-3.Due to answering masterpiece
With the Al of n-type dopingxInyGa(1-x-y)Break-through dislocation 31 is correspondingly formed in N shell 3.The Al of heavy N-type dopingxInyGa(1-x-y)N shell 3
For single or multiple lift structure, each layer of thickness is 0-10um, and n-type doping source is Si, Hf or C element.
Three, as shown in fig. 6, in the Al of heavy N-type dopingxInyGa(1-x-y)Heavy N-type doping is grown on N shell 3
AlxInyGa(1-x-y)N stress release layers 4, wherein, 0≤x≤1,0≤y≤1, heavy N-type doping content are 1E18-1E20cm-3.Weight
The Al of n-type dopingxInyGa(1-x-y)N stress release layers 4 are single or multiple lift structure, and each layer of thickness is 0-10um, and N-type is mixed
Miscellaneous source is Si, Hf or C element.The Al of heavy N-type dopingxInyGa(1-x-y)4 surface of N stress release layers forms V-type defect hole 5, V-type
Defect hole 5 is formed at the top of break-through dislocation 31, and it is 0-1um that V-type defect cheats 5 openings of sizes, and depth is 0-1um.
Four, as shown in fig. 7, in the Al of heavy N-type dopingxInyGa(1-x-y)Growth active layer 6 on N stress release layers 4, and
The open shape and opening depth in V-type defect hole 5 are kept on active layer 6.Active layer 6 is AlxInyGa(1-x-y)It is the monolayer of N, many
Layer, superlattices or multi-quantum pit structure, wherein 0≤x≤1,0≤y≤1, each layer of thickness 0-1um.
Five, as shown in figure 8, growing P-type layer 7 V-type defect hole 5 is filled and led up on active layer 6.P-type layer 7 is
AlxInyGa(1-x-y)The monolayer of N, multilamellar, superlattices or multi-quantum pit structure, wherein 0≤x≤1,0≤y≤1, each layer of thickness
Spend for 0-1um;P-type doped source be Mg elements, doping content 1E17-1E21cm-3。
As shown in Fig. 3 and Fig. 3 a, the epitaxial structure of the light emitting diode of said method growth, in 1 superficial growth N-type of substrate
Layer 8,8 surface of N-type layer form V-type defect hole 5, in the N-type layer 8 for forming V-type defect hole 5 grow active layer 6, and in active layer
The open shape and opening depth in V-type defect hole 5 are kept on 6, growing P-type layer 7 V-type defect hole 5 is filled out on active layer 6
It is flat.
The N-type layer 8 is included in the unintentional doping that 1 surface of substrate grows from the bottom to top successively or n-type doping
AlxInyGa(1-x-y)The Al of N shell 2, heavy N-type dopingxInyGa(1-x-y)N shell 3 and the Al of heavy N-type dopingxInyGa(1-x-y)N stress is released
Layer 4 is put, V-type defect hole 5 is formed at the Al of heavy N-type dopingxInyGa(1-x-y)4 surface of N stress release layers;Wherein, 0≤x≤1,0
≤ y≤1, n-type doping concentration are 0-1E20cm-3, heavy N-type doping content is 1E18-1E20cm-3。
As shown in Figure 3 a, hole, electronics flowing and it is combined schematic diagram, * represents that electron-hole recombinations light, ↓ represent electricity
Stream/direction of an electric field ,+P-type layer is represented ,-N-type layer is represented, knowable to Fig. 3 a, the present invention obtains space folding and parallel P-N
Knot, increases the injection efficiency of electronics and hole to active area, makes electronics and hole obtain more uniform distribution in active area, enters
And increase active area internal quantum efficiency, improve luminous efficiency.
The result for being formed as break-through dislocation release stress in V-type defect hole, such as GaN superficial growths InGaN/GaN Multiple-quantums
Trap or superlattice structure, as differences between lattice constant causes stress accumulation discharge stress at break-through dislocation to a certain extent
Form V-type defect hole.
The preferred embodiments of the present invention are the foregoing is only, not the restriction to this case design, all designs according to this case are closed
The equivalent variations done by key, each fall within the protection domain of this case.
Claims (10)
1. a kind of epitaxial structure of light emitting diode, it is characterised in that:N-type layer is grown in substrate surface, N-type layer surface forms V
Type defect is cheated, and active layer is grown in the N-type layer for forming V-type defect hole, and the opening shape in V-type defect hole is kept on active layer
State and opening depth, on active layer growing P-type layer and by V-type defect hole fill and lead up.
2. a kind of epitaxial structure of light emitting diode as claimed in claim 1, it is characterised in that:N-type layer is included in substrate table
Unintentional doping or the Al of n-type doping that face is grown from the bottom to top successivelyxInyGa(1-x-y)What N shell, heavy N-type were adulterated
AlxInyGa(1-x-y)N shell and the Al of heavy N-type dopingxInyGa(1-x-y)N stress release layers, V-type defect hole are formed at heavy N-type doping
AlxInyGa(1-x-y)N Stress Release layer surfaces;Wherein, 0≤x≤1,0≤y≤1, n-type doping concentration are 0-1E20cm-3, weight
N-type doping concentration is 1E18-1E20cm-3。
3. a kind of epitaxial structure of light emitting diode as claimed in claim 2, it is characterised in that:Unintentional doping or N-type are mixed
Miscellaneous AlxInyGa(1-x-y)N shell is single or multiple lift structure, and each layer of thickness is 0-10um, and n-type doping source is Si, Hf or C
Element.
4. a kind of epitaxial structure of light emitting diode as claimed in claim 2, it is characterised in that:Heavy N-type doping
AlxInyGa(1-x-y)N shell is single or multiple lift structure, and each layer of thickness is 0-10um, and n-type doping source is Si, Hf or C element.
5. a kind of epitaxial structure of light emitting diode as claimed in claim 2, it is characterised in that:Heavy N-type doping
AlxInyGa(1-x-y)N stress release layers are single or multiple lift structure, and each layer of thickness is 0-10um, and n-type doping source is Si, Hf
Or C element;Unintentional doping or the Al of n-type dopingxInyGa(1-x-y)N shell and the Al of heavy N-type dopingxInyGa(1-x-y)Divide in N shell
The break-through dislocation being connected with each other is not formed, V-type defect hole is formed at the top of break-through dislocation, and V-type defect hole openings of sizes is 0-
1um, depth are 0-1um.
6. a kind of epitaxial structure of light emitting diode as claimed in claim 1, it is characterised in that:Active layer is
AlxInyGa(1-x-y)The monolayer of N, multilamellar, superlattices or multi-quantum pit structure, wherein 0≤x≤1,0≤y≤1, each layer of thickness
Degree 0-1um;P-type layer is AlxInyGa(1-x-y)The monolayer of N, multilamellar, superlattices or multi-quantum pit structure, wherein 0≤x≤1,0≤
Y≤1, each layer of thickness is 0-1um;P-type doped source be Mg elements, doping content 1E17-1E21cm-3;Substrate is Al2O3、
SiC, Si, GaN or AlN.
7. a kind of epitaxial structures growth method of light emitting diode, it is characterised in that:Comprise the following steps:
One, N-type layer is grown in substrate surface, N-type layer surface forms V-type defect hole;
Two, active layer is grown in the N-type layer for forming V-type defect hole, and the open shape in V-type defect hole is kept on active layer
With opening depth;
Three, on active layer growing P-type layer and by V-type defect hole fill and lead up.
8. the epitaxial structures growth method of a kind of light emitting diode as claimed in claim 7, it is characterised in that:In growth N-type
Comprise the following steps during layer:The unintentional doping that grown successively in substrate surface from the bottom to top or n-type doping
AlxInyGa(1-x-y)N shell, the Al of heavy N-type dopingxInyGa(1-x-y)N shell and the Al of heavy N-type dopingxInyGa(1-x-y)N Stress Releases
Layer, V-type defect hole are formed at the Al of heavy N-type dopingxInyGa(1-x-y)N Stress Release layer surfaces;Wherein, 0≤x≤1,0≤y≤
1, n-type doping concentration is 0-1E20cm-3, heavy N-type doping content is 1E18-1E20cm-3。
9. the epitaxial structures growth method of a kind of light emitting diode as claimed in claim 8, it is characterised in that:It is unintentional to mix
The Al of miscellaneous or n-type dopingxInyGa(1-x-y)N shell is single or multiple lift structure, and each layer of thickness is 0-10um;Heavy N-type doping
AlxInyGa(1-x-y)N shell is single or multiple lift structure, and each layer of thickness is 0-10um;The Al of heavy N-type dopingxInyGa(1-x-y)N
Stress release layer is single or multiple lift structure, and each layer of thickness is 0-10um;Unintentional doping or n-type doping
AlxInyGa(1-x-y)N shell and the Al of heavy N-type dopingxInyGa(1-x-y)Form the break-through dislocation being connected with each other in N shell respectively, V-type lacks
Pitfall is formed at the top of break-through dislocation, and V-type defect hole openings of sizes is 0-1um, and depth is 0-1um;N-type doping source be Si,
Hf or C element.
10. the epitaxial structures growth method of a kind of light emitting diode as claimed in claim 8, it is characterised in that:Active layer is
AlxInyGa(1-x-y)The monolayer of N, multilamellar, superlattices or multi-quantum pit structure, wherein 0≤x≤1,0≤y≤1, each layer of thickness
Degree 0-1um;Substrate is Al2O3, SiC, Si, GaN or AlN;P-type layer is AlxInyGa(1-x-y)The monolayer of N, multilamellar, superlattices or many
Quantum well structure, wherein 0≤x≤1,0≤y≤1, each layer of thickness is 0-1um;P-type doped source is Mg elements, is adulterated dense
Degree 1E17-1E21cm-3。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611167259.0A CN106601885A (en) | 2016-12-16 | 2016-12-16 | Light emitting diode epitaxial structure and growth method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611167259.0A CN106601885A (en) | 2016-12-16 | 2016-12-16 | Light emitting diode epitaxial structure and growth method thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106601885A true CN106601885A (en) | 2017-04-26 |
Family
ID=58599521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611167259.0A Pending CN106601885A (en) | 2016-12-16 | 2016-12-16 | Light emitting diode epitaxial structure and growth method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106601885A (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107768493A (en) * | 2017-10-24 | 2018-03-06 | 江门市奥伦德光电有限公司 | A kind of preparation method of the high LED epitaxial structure of luminous efficiency |
CN108039397A (en) * | 2017-11-27 | 2018-05-15 | 厦门市三安光电科技有限公司 | A kind of nitride semiconductor LED |
CN108447956A (en) * | 2018-03-30 | 2018-08-24 | 华灿光电(浙江)有限公司 | A kind of epitaxial wafer of light emitting diode and preparation method thereof |
CN110197861A (en) * | 2019-06-17 | 2019-09-03 | 南昌大学 | A kind of AlInGaN based light-emitting diode |
CN111697112A (en) * | 2020-06-12 | 2020-09-22 | 东莞理工学院 | Deep ultraviolet light-emitting diode based on AIN/PSS composite substrate and preparation method thereof |
CN111933761A (en) * | 2020-07-23 | 2020-11-13 | 厦门士兰明镓化合物半导体有限公司 | Epitaxial structure and manufacturing method thereof |
CN111933762A (en) * | 2020-07-23 | 2020-11-13 | 厦门士兰明镓化合物半导体有限公司 | Epitaxial structure and manufacturing method thereof |
CN112736174A (en) * | 2021-01-04 | 2021-04-30 | 宁波安芯美半导体有限公司 | Deep ultraviolet LED epitaxial structure and preparation method thereof |
CN113675307A (en) * | 2021-08-20 | 2021-11-19 | 广东省科学院半导体研究所 | Light emitting diode structure and preparation method thereof |
WO2022052097A1 (en) * | 2020-09-14 | 2022-03-17 | 安徽三安光电有限公司 | Light-emitting diode and preparation method therefor |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102983243A (en) * | 2011-09-05 | 2013-03-20 | Lg伊诺特有限公司 | Light emitting device and the packaging including a light emitting structure |
CN103460409A (en) * | 2011-09-29 | 2013-12-18 | 东芝技术中心有限公司 | P-type doping layers for use with light emitting devices |
US20150221826A1 (en) * | 2014-02-04 | 2015-08-06 | Jung Seung YANG | Nitride semiconductor light emitting device |
CN105609606A (en) * | 2014-11-14 | 2016-05-25 | 三星电子株式会社 | Light emitting device and method of manufacturing the same |
KR20160072914A (en) * | 2014-12-15 | 2016-06-24 | 일진엘이디(주) | Nitride semiconductor light emitting device |
CN105762241A (en) * | 2016-04-28 | 2016-07-13 | 厦门乾照光电股份有限公司 | Manufacturing method for epitaxial structure of enhanced injection type light-emitting diode |
-
2016
- 2016-12-16 CN CN201611167259.0A patent/CN106601885A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102983243A (en) * | 2011-09-05 | 2013-03-20 | Lg伊诺特有限公司 | Light emitting device and the packaging including a light emitting structure |
CN103460409A (en) * | 2011-09-29 | 2013-12-18 | 东芝技术中心有限公司 | P-type doping layers for use with light emitting devices |
US20150221826A1 (en) * | 2014-02-04 | 2015-08-06 | Jung Seung YANG | Nitride semiconductor light emitting device |
CN105609606A (en) * | 2014-11-14 | 2016-05-25 | 三星电子株式会社 | Light emitting device and method of manufacturing the same |
KR20160072914A (en) * | 2014-12-15 | 2016-06-24 | 일진엘이디(주) | Nitride semiconductor light emitting device |
CN105762241A (en) * | 2016-04-28 | 2016-07-13 | 厦门乾照光电股份有限公司 | Manufacturing method for epitaxial structure of enhanced injection type light-emitting diode |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107768493A (en) * | 2017-10-24 | 2018-03-06 | 江门市奥伦德光电有限公司 | A kind of preparation method of the high LED epitaxial structure of luminous efficiency |
CN108039397A (en) * | 2017-11-27 | 2018-05-15 | 厦门市三安光电科技有限公司 | A kind of nitride semiconductor LED |
CN108447956A (en) * | 2018-03-30 | 2018-08-24 | 华灿光电(浙江)有限公司 | A kind of epitaxial wafer of light emitting diode and preparation method thereof |
CN108447956B (en) * | 2018-03-30 | 2020-09-29 | 华灿光电(浙江)有限公司 | Epitaxial wafer of light emitting diode and preparation method thereof |
CN110197861A (en) * | 2019-06-17 | 2019-09-03 | 南昌大学 | A kind of AlInGaN based light-emitting diode |
CN110197861B (en) * | 2019-06-17 | 2024-04-02 | 南昌大学 | AlInGaN-based light-emitting diode |
CN111697112B (en) * | 2020-06-12 | 2021-10-01 | 东莞理工学院 | Deep ultraviolet light-emitting diode based on AlN/PSS composite substrate and preparation method thereof |
CN111697112A (en) * | 2020-06-12 | 2020-09-22 | 东莞理工学院 | Deep ultraviolet light-emitting diode based on AIN/PSS composite substrate and preparation method thereof |
CN111933762A (en) * | 2020-07-23 | 2020-11-13 | 厦门士兰明镓化合物半导体有限公司 | Epitaxial structure and manufacturing method thereof |
CN111933761A (en) * | 2020-07-23 | 2020-11-13 | 厦门士兰明镓化合物半导体有限公司 | Epitaxial structure and manufacturing method thereof |
CN111933761B (en) * | 2020-07-23 | 2022-04-26 | 厦门士兰明镓化合物半导体有限公司 | Epitaxial structure and manufacturing method thereof |
WO2022052097A1 (en) * | 2020-09-14 | 2022-03-17 | 安徽三安光电有限公司 | Light-emitting diode and preparation method therefor |
CN112736174A (en) * | 2021-01-04 | 2021-04-30 | 宁波安芯美半导体有限公司 | Deep ultraviolet LED epitaxial structure and preparation method thereof |
CN113675307A (en) * | 2021-08-20 | 2021-11-19 | 广东省科学院半导体研究所 | Light emitting diode structure and preparation method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106601885A (en) | Light emitting diode epitaxial structure and growth method thereof | |
CN104393124B (en) | A kind of preparation method of LED epitaxial slice structure | |
US10665748B2 (en) | Light emitting diode and fabrication method therof | |
CN102185056B (en) | Gallium-nitride-based light emitting diode capable of improving electron injection efficiency | |
CN103681985B (en) | Epitaxial wafer of a kind of light emitting diode and preparation method thereof | |
CN105449051B (en) | One kind is using MOCVD technologies in GaN substrate or GaN/Al2O3The method that high brightness homogeneity LED is prepared in compound substrate | |
US10128410B2 (en) | Multi-color light emitting devices with compositionally graded cladding group III-nitride layers grown on substrates | |
JP2008544567A (en) | Light emitting diode with nanorod array structure having nitride multiple quantum well, method for manufacturing the same, and nanorod | |
CN105789394A (en) | GaN-based LED epitaxial structure and manufacture method thereof | |
CN102754184A (en) | Semiconductor Device Structures With Modulated Doping And Related Methods | |
CN103824917B (en) | LED manufacturing method, LED and chip | |
CN105762241A (en) | Manufacturing method for epitaxial structure of enhanced injection type light-emitting diode | |
JP6227134B2 (en) | Nitride semiconductor light emitting device | |
CN104638074B (en) | High brightness GaN base LED epitaxial structures and preparation method thereof | |
CN104993028B (en) | A kind of LED epitaxial slice | |
WO2017076116A1 (en) | Led epitaxial structure and manufacturing method | |
CN110828623B (en) | Light-emitting diode preparation method and light-emitting diode | |
CN106299052A (en) | A kind of GaN epitaxial structure for LED and preparation method | |
CN103594579B (en) | A kind of epitaxial structure of iii-nitride light emitting devices | |
CN103456852B (en) | A kind of LED and preparation method | |
CN206059420U (en) | A kind of light emitting diode with double hole accumulation layers | |
CN203850331U (en) | Gallium nitride-based light-emitting diode epitaxial wafer | |
CN104218125B (en) | A kind of growing method of white light LEDs and the white light LEDs prepared using the growing method | |
CN103985799B (en) | Light-emitting diode and manufacturing method thereof | |
CN111276583A (en) | GaN-based LED epitaxial structure, preparation method thereof and light emitting diode |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170426 |
|
RJ01 | Rejection of invention patent application after publication |