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Toshiba first GaN on Silicon LED

led toshiba emv2
2 990 €

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SC ToshibafirstGan Toshiba has recently released its first GaN on Silicon LED in a 6450 standard package with several new features.

The TL1F1 LED of Toshiba are produced on a cheap 8” silicon substrate in a standard power silicon facility from Toshiba. The integration in a standard facility has been facilitated by a smart bonding process without gold.

Moreover, a significant work has been done to thin epitaxial layer in GaN. The GaN thickness approximates the one on Sapphire LED.

A low current density per sq cm is obtained, estimated at 20A/sqcm, lower than sapphire LED. However, the 2nd generation of GaN on Si LED produces 30% more lumen.

led toshiba emv
This report provides a complete teardown of the LED and the package with:

• Detailed photos
• Material analysis
• Detailed structure of dies and package
• Manufacturing Process Flow
• In-depth economical analysis
• Manufacturing cost breakdown
• Selling price estimation


Table of contents

1. Overview / Introduction
> Executive Summary
> Reverse Costing Methodology

2. Companies Profile
> Toshiba Profile3. TH1L1-LW1 Characteristics
> TH1L1-LW1 Characteristics

3. TH1L1-LW1 Characteristics

> TH1L1-LW1 Characteristics

4. Physical Analysis
> Physical Analysis Methodology
> Package Views & Dimensions
> Package Opening
> Package X-Ray
> Package Cross-Section
> Phosphor
> Protective diode
> LED Views & Dimensions
> Cathode
> Anode
> Epitaxy
> LED Thickness
> LED Characteristics
5. Manufacturing Process Flow
> Global Overview
> LED Fabrication Unit
> LED Process Flow
> Package Fabrication Unit
> Package Process Flow

6. Cost Analysis
> Synthesis of the cost analysis
> Main steps of economic analysis
> Yields Hypotheses
> EpitaxyStep
> LED EpitaxyCost
> LED Front-End Cost
> LED Wafer Cost
> LED Cost per process steps
> LED Equipment Cost per Family
> LED Material Cost per Family
> Back-End : Probe and cleaving Cost
> Packaging Cost
> Packaging Cost
> Final Assembly Cost
> Component Cost

7. Price estimation
> Contact


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Headquartered in Nantes, France, System Plus Consulting is specialized in technology and cost analysis of electronic components and systems. During our 20 years in business, we have built and refined detailed cost models as the primary tools for hundreds of analyses. The highly qualified System Plus cost engineers combine broad and deep skills in semiconductor and electronics technologies with years of experience in cost modeling.

We offer:
− Custom reverse costing analyses: technology analysis followed by cost evaluation
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− Costing tools: software tools combining models and data to perform cost analysis

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