Diode chip of integrated unit

A technology of integrated units and diodes, applied in electrical components, electrical solid devices, circuits, etc., can solve problems such as LED light efficiency, heat dissipation and stability limitations, and achieve increased effective light output area, large heat dissipation area, and high photoelectric conversion efficiency Effect
CN110797370AActive Publication Date: 2020-02-14SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA
Publication Date
2020-02-14

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Abstract

The invention provides a diode chip of an integrated unit. The diode chip includes a diode mesa structure, including a plurality of diode units. The width of the diode units in the y-axis direction gradually decreases from the middle to both sides of the integrated unit diode chip in the y-axis direction, wherein the y-axis direction is the width direction of the integrated unit diode chip. Through the design of the uneven mesa structure, ultra-uniform current distribution, heat distribution, wavelength distribution and a high-quality LED light source with narrow half-height are obtained; thetechnical problem that a diode structure in the prior art has great limitations on three important parameters of lumen efficiency, lumen density output and lumen cost is solved; lumen output per unitarea of the chip is improved; and lumen cost is reduced.
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Description

technical field

[0001] The invention relates to the field of semiconductor materials and device technology, in particular to semiconductor optoelectronic devices. Background technique

[0002] In conventional vertical structure LED chips, the current diffusion mainly depends on the n-electrode side, and there are electrode lead-type leads or drill-type leads, but the overall current diffusion is still uneven, resulting in loss of luminous efficiency and uneven heat dissipation, thus affecting the unit. Efficiency and stability of diode chips. This restricts vertical high-power LED chips from providing products with higher lumen output per unit area. Uneven current diffusion, uneven thermal diffusion, and uneven light extraction lead to great limitations in the three important parameters of lumen efficiency, lumen density output, and lumen cost. The vertical LED chip technology currently on the market An effective solution cannot be provided.

[0003] The prior art one is ...

Claims

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