High color rendering white light source structure and manufacturing method thereof
A white light source and high color rendering technology, which is applied in electrical components, circuits, semiconductor devices, etc., can solve the problems of low efficiency of ultraviolet light chips and RGB phosphors, difficulty in meeting low color temperature lighting requirements, and complex drive circuits for chip performance. , to improve the working stability and service life, save part of the packaging process, and achieve the effect of small warping deformation
Inactive Publication Date: 2018-12-07
SHENZHEN GUANGMAO ELECTRONICS
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The invention provides a high color rendering white light source structure which comprises a white light epitaxial structure. The white light epitaxial structure is orderly provided with a diamond substrate, a GaBi transition layer, an N-GaN contact layer, a In0.19Ga0.81N/GaN multiple-quantum-well light-emitting layer, a P-GaN contact layer, an N-GaN cascade layer, an N-GaN contact layer, a In0.48Ga0.52N/GaN multiple-quantum-well light-emitting layer, and a P-GaN contact layer from the bottom to top, and an N electrode layer and a P electrode layer are disposed on the layer. According to the invention, the binding of a phosphor is removed, the high color rendering white light source structure has the advantages of good color rendering property, good stability, good luminescence quality, the improvement of working stability and service life, the saving of a part of the packaging process, the allowance of the growth of a white light crystal, the simplification of the production process of a whole industrial chain, the great improvement of production efficiency and the easy realization of industrialized mass production, the structure is formed in one time by self-made glue molding, sothe internal light stress of the white light source structure is low, the warpage deformation is also small, the light effect is improved, the process is optimized, the mechanical performance is stable, the product reliability is high, and the cost is greatly reduced.
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Technology Topic
Multiple quantumSource structure +11
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Property | Measurement | Unit |
Thickness | 45.0 ~ 180.0 | µm |
Thickness | 9.0 ~ 90.0 | nm |
Thickness | 180.0 ~ 900.0 | nm |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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