PATENT CLAIM ANALYSIS

Application Number: 16188293
Application Type: Utility
Filing Date: 2018-11
Publication Date: 2019-03
Patent Classification: ["438", "045000"]

Abstract:
Provided is a method of producing a III nitride semiconductor light-emitting device having an n-type semiconductor layer, a light emitting layer, a barrier layer, and a p-type semiconductor layer. The p-type semiconductor layer is formed by forming an electron blocking layer on the light emitting layer; supplying a carrier gas containing nitrogen to a surface of the electron blocking layer; and forming a second p-type contact layer made of Al y Ga 1-y N on the electron blocking layer after the nitrogen carrier gas supply step. The second p-type contact formation step is performed using a carrier gas containing hydrogen. Source gases of Al and Ga are supplied to form a first p-type contact layer made of Al x Ga 1-x N with a thickness of more than 0 nm and 30 nm or less directly on the electron blocking layer and directly under the second p-type contact layer.

Claim (Index 1):
A method of producing a III nitride semiconductor light-emitting device having an n-type semiconductor layer; a light emitting layer having a quantum well structure including a well layer containing at least Al and a barrier layer; and a p-type semiconductor layer in this order,\n wherein the p-type semiconductor layer is formed by the steps comprising: an electron blocking layer formation step for forming an electron blocking layer having an Al content higher than that of the barrier layer, on the light emitting layer; a nitrogen carrier gas supply step for supplying at least a carrier gas containing nitrogen as a main component to a surface of the electron blocking layer; and a second p-type contact formation step for forming a second p-type contact layer made of Al y Ga 1-y N, where y satisfies 0\u2264y\u22640.1, on the electron blocking layer after the nitrogen carrier gas supply step,\n wherein the second p-type contact formation step is performed using a carrier gas containing hydrogen as a main component, and \n wherein in the nitrogen carrier gas supply step, source gases of Al and Ga are further supplied to form a first p-type contact layer made of Al x Ga 1-x N, where x satisfies 0\u2264x\u22640.1, with a thickness of more than 0 nm and 30 nm or less directly on the electron blocking layer and directly under the second p-type contact layer.

Metadata:
- Claim Count in Document: 5.0
- Percentile: 98.0
- Lexical Diversity: 2.19444
- Patent Class: 438.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15533482', '15533138', '15547866', '15488778', '15066234']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8713412669640603
- 35 USC 102 Novelty (BERT): 0.5089555801681068
- Combined Prediction Score: 0.835102698284465
- Mean Citation Score: 291.9400080000001
- Max Citation Score: 319.0413200000001
- Similarity Product: 314.1928177125049

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test