LEDinside: Micro LED Supply Chain and Vendor Layout Analysis

According to LEDinside’s 2019 Micro LED Next Generation Display Key Technology Report, Micro LED technology development in the early days was based on patent layout. Sony, Cree and the University of Illinois have been the earliest ones for the layout. After the acquisition of LuxVue by APPLE in 2014, it led other companies to accelerate the development of the Micro LED field. In addition, manufacturers in different regions of the world have different strategies and developments for the layout of Micro LEDs. For example, Taiwanese manufacturers are mainly engaged in professional OEMs, and Korean manufacturers focus on strategic cooperation. Japanese manufacturers mainly develop within the group, and most European and American manufacturers focus on startups and academic institutions. Yet, the development of Chinese manufacturers is slower, and most of them are in the research and evaluation stage.

Micro LED development history

In terms of Micro LED patent development, 2000-2013 is the "germination period", and only a few pioneers carried out patent layout due to weak market demand. Sony, Cree and the University of Illinois have been the earliest ones for the layout. After 2014, there is "growing period", mainly owing to Apple’s acquisition of LuxVue and the demonstrated confidence in Micro LED display technology, which in turn led to accelerated investment by other operators such as Uniqarta, PlayNitride, Rohinni, Mikro Mesa, QMAT and VUEREAL. In the last two years, there have been patent layouts of panel manufacturers such as AUO, BOE and CSOT. Among many Micro LED patents, the top three patented technologies are mass transfer technology, display module technology and chip manufacturing process technology, with a total of 80% of all patents.

Micro LED supply chain and vendor layout analysis

In recent years, more international manufacturers have joined the development of Micro LED via M&As and establishment of new business units or startups. These companies have developed vertically or horizontally with their own established areas of expertise, including LED epitaxy production, mass transfer technology, panel technology and branding. In terms of LED epitaxy, LED epitaxy manufacturers are the most suitable ones, and for mass transfer, it is the threshold and more manufacturers have invested in this field. Manufacturers in Taiwan, China, South Korea, Japan, Europe and America also have different levels of Micro LED layout.

Taiwanese manufacturers such as AUO, Epistar and PlayNitride focus on professional OEMs and have close collaborations with international manufacturers. Only Foxconn is the most proactive Taiwanese developer and has the most thorough development plan.

Chinese manufacturers fall a bit behind in terms of Micro LED development mainly because they are more interested in technologies that can be mass-produced in a short time. Therefore, most of them are still assessing (some of them have already started early-stage developments) the profitability of Micro LED products.

Korean manufacturers are at the forefront of the development of display technology. Yet, because their major resources have been invested in OLED products, they choose to develop strategic partnerships with Micro LED developers to complement their limited resources for Micro LED development.

In Japan, Sony is the first company to start Micro LED development. However, as companies in Japan tend to be defensive, instead of business collaboration, they do sample validation and tests on their own. It is worth noting that Japanese and Korean manufacturers mostly focus on the development of large-sized Micro LED display technology because they have already dominated the field of large-sized television.
Most European and American manufacturers focus on startups and academic institutions. In recent years, through reinvestment and acquisition, patent layout has been achieved in the field of mass transfer. In terms of panel, due to its high investment amount, they collaborate with Asian panel manufacturers. In addition, European and American manufacturers mainly focus on small- and medium-sized Micro LED display applications such as mobile phones, projection and wearable devices.

In January 2019, LEDinside has analyzed the key technologies of 2019 Micro LED next generation display. For more information, please call or email us. Thank you!

LEDinside 2019 Micro LED Next Generation Display Key Technology Report
Release Date: January 31, 2019
Format: PDF
Language: Traditional Chinese / English
Pages: 219
Quarterly Update: Micro / Mini LED Market Perspective Analysis - Vendor Dynamics, New Technology Import, Display Week / Touch Taiwan Direct Strike (March, June, September 2019; Approx. 10-15 pages/quarter)

Chapter 1 Definition and Market Scale of Micro LED
 Product Definition of Micro LED
 Analysis and Prediction of Micro LED Market Value
 Analysis and Prediction of Micro LED Output Volume
 Estimation of Micro LED Display Penetration Rate

Chapter 2 Micro LED Applications and Technology Development
 Micro LED Product Overview
 Micro LED Product Specifications Overview
 Micro LED Applications- Specifications of Head Mounted Device
 Micro LED Applications- Cost of Head Mounted Device
 Micro LED Applications- Shipment Volume of Head Mounted Device
 Micro LED Applications- Specifications of Wearable Device
 Micro LED Applications- Cost of Wearable Device
 Micro LED Applications- Shipment Volume of Wearable Device
 Micro LED Applications- Specifications of Handheld Device
 Micro LED Application- Cost of Handheld Device
 Micro LED Application- Shipment Volume of Handheld Device
 Micro LED Application- Specifications of IT Device
 Micro LED Application- Cost of IT Display
 Micro LED Application- Shipment Volume of IT Device
 Micro LED Application- Specification of Automotive Display
 Micro LED Application- Cost of Automotive Display
 Micro LED Application- Shipment Volume of Automotive Display
 Micro LED Application- Specifications of TV
 Micro LED Application- Cost of TV
 Micro LED Application- Shipment Volume of TV
 Micro LED Application- Specifications of LED Display
 Micro LED Application- Cost of LED Display
 Micro LED Application- Shipment Volume of LED Display

Chapter3 Micro LED Patent Analysis
 2000-2018 Micro LED Patent Layout- Patent Family Analysis
 2000-2018 Micro LED Patent Layout- Region Analysis
 2000-2018 Micro LED Patent Layout- Technology Analysis
 2000-2018 Micro LED Patent Layout- Manufacturer Analysis
 2001-2018 Micro LED Patent Layout- Mass Transfer Technology Patent Family Analysis
 Mass Transfer Technology- Patent Technology Overview
 Mass Transfer Technology- Patent Technology Classification
 2001-2018 Micro LED Patent Layout- Mass Transfer Technology Patent Family Analysis
 Mass Transfer Technology- Brand Manufacturer Technology Layout Analysis
 Mass Transfer Technology- Start-up and Research Institution Technology Layout Analysis

Chapter 4 Micro LED Technology Bottleneck and Solution
 Micro LED Industry Technology Overview Analysis
 Micro LED Technology Bottleneck and Solution Overview- Manufacturing Process
 Micro LED Technology Bottleneck and Solution Overview- LED Epitaxy and Chip Manufacturing Process
 Micro LED Technology Bottleneck and Solution Overview- Transfer Technology/Bonding Technology/Drive and Backplane Technology

Chapter 5 Epitaxy Technology Bottleneck and Challenge Analysis
 Epitaxy Technology- Solution
 Epitaxy Technology- Epitaxial Wafer Structure and Light Emitting Principle
 Epitaxy Technology- Epitaxy Emissive Layer Material and Luminous Efficacy
 Epitaxy Technology- The Leakage Problem of Chip Miniaturization Causes the Drop of Luminous Efficacy
 Epitaxy Technology- Equipment Technology Classification
 Epitaxy Technology- Equipment Technology Comparison
 Epitaxy Technology- Epitaxial Wafer Key Technology Classification
 Epitaxy Technology- Epitaxial Wafer Key Technology Classification- Wavelength Uniformity
 Epitaxy Technology- Epitaxial Wafer Key Technology Classification- Defect Control
 Epitaxy Technology- Epitaxial Wafer Key Technology Classification- Increase of Utilization of Epitaxial Wafer
 Epitaxy Technology- Applicability Analysis

Chapter 6 Chip Manufacturing Process Technology Bottleneck and Challenge Analysis
 Chip Manufacturing Process Technology- Development of LED Chip Miniaturization
 Chip Manufacturing Process Technology- LED Chip Production Process
 Chip Manufacturing Process Technology- Structural Differences between Lateral Chip, Flip Chip and Vertical Chip
 Chip Manufacturing Process Technology- Miniaturized LED Chip (Including Sapphire Substrate) Scribing Technology
 Chip Manufacturing Process Technology- Miniaturized LED Chip (Excluding Sapphire Substrate) Scribing Technology
 Chip Manufacturing Process Technology- Laser Ablation
 Chip Manufacturing Process Technology- Structural Weakening and Insulating Layer
 Chip Manufacturing Process Technology- Design of Structural Weakening
 Chip Manufacturing Process Technology- Design of Transfer Head
 Chip Manufacturing Process Technology- Differences between Traditional LED and Micro LED Chip Manufacturing Processes

Chapter 7 Mass Transfer Technology Bottleneck and Challenge Analysis
 Mass Transfer Technology- Transfer Technology Classification
 Mass Transfer Technology- Thin Film Transfer Technology Classification
 Mass Transfer Technology- Thin Film Transfer Technology- Pick & Place Technology
 Mass Transfer Technology- Thin Film Transfer Technology- Non-selective Pick Technology
 Mass Transfer Technology- Thin Film Transfer Technology- Selective Pick Technology will Increase Wafer Utilization
 Mass Transfer Technology- Thin Film Transfer Technology- Selective Pick Technology in Repair Application
 Mass Transfer Technology- Thin Film Transfer Technology- Factors that Affect UPH
 Mass Transfer Technology- Thin Film Transfer Technology- Solution of Increasing UPH for Large Transfer Head
 Mass Transfer Technology- Thin Film Transfer Technology- Higher Transfer Head Accuracy Requirement
 Mass Transfer Technology- Thin Film Transfer Technology- Comparison between Transfer Times and Wafer Utilization
 Mass Transfer Technology- Thin Film Transfer Technology- Comparison between Cycle Time and UPH
 Mass Transfer Technology- Thin Film Transfer Technology: Apple (LuxVue)

Electrostatic Adsorption + Phase Change Transfer
 Mass Transfer Technology- Thin Film Transfer Technology: Samsung

Chip Transfer and Flip
 Mass Transfer Technology- Thin Film Transfer Technology- Van der Waals Force Introduction
 Mass Transfer Technology- Thin Film Transfer Technology: X-Celeprint

Van der Waals Force
 Mass Transfer Technology- Thin Film Transfer Technology: ITRI

Electromagnetic Adsorption
 Mass Transfer Technology- Thin Film Transfer Technology: Mikro Mesa

Adhesion and Reaction Force
 Mass Transfer Technology- Thin Film Transfer Technology: AUO

Electrostatic Adsorption and Reaction Force
 Mass Transfer Technology- Thin Film Transfer Technology: VueReal

Solid Printing
 Mass Transfer Technology- Thin Film Transfer Technology: Rohinni

Alignment Pin
 Mass Transfer Technology- Thin Film Transfer Technology- Fluidic Assembly Technology
 Mass Transfer Technology- Thin Film Transfer Technology: eLux

Fluidic Assembly
 Mass Transfer Technology- Thin Film Transfer Technology: PlayNitride

Fluidic Transfer
 Mass Transfer Technology- Thin Film Transfer Technology- Laser Transfer
 Mass Transfer Technology- Thin Film Transfer Technology- Laser Transfer Classification
 Mass Transfer Technology- Thin Film Transfer Technology: Sony

Laser Transfer
 Mass Transfer Technology- Thin Film Transfer Technology: QMAT

BAR(Beam-Addressed Release) Mass Transfer
 Mass Transfer Technology- Thin Film Transfer Technology: Uniqarta

Multi-Beam Transfer
 Mass Transfer Technology- Thin Film Transfer Technology: OPTOVATE

Laser Lift-off (ρ-LLO) Technology
 Mass Transfer Technology- Thin Film Transfer Technology- Roll to Roll Transfer
 Mass Transfer Technology- Thin Film Transfer Technology: KIMM

Roll to Roll Transfer
 Mass Transfer Technology- Seven Major Challenges of Micro LED Mass Transfer Technology
 Mass Transfer Technology- Transfer Yield Depends on the Control of Manufacturing Capability
 Mass Transfer Technology- Applicability Analysis

Chapter 8 Testing Technology Bottleneck and Challenge Analysis

 Micro LED Technology Bottleneck and Solution Overview- Testing Technology
 Testing Technology- Testing Method
 Testing Technology- Electrical Properties
 Testing Technology- EL
 Testing Technology- Light Properties
 Testing Technology- PL
 Testing Technology- Overview of Mass Testing Technology
 Mass Testing Method- PL Testing Technology
 Mass Testing Method- Digital Camera Photoelectric Testing Technology
 Mass Testing Method- Contact Photoelectric Testing Technology
 Mass Testing Method- Contactless Photoelectric Testing Technology
 Mass Testing Method- Contactless EL Testing Technology
 Mass Testing Method- Ultraviolet Irradiation Photoelectric Testing Technology
 Mass Testing Technology Difference Comparison

Chapter 9 Repairing Technology Bottleneck and Challenge Analysis
 Micro LED Technology Bottleneck and Solution Overview- Repairing Technology
 Micro LED Repairing Technology Solution
 Repairing Technology Solution- Ultraviolet Irradiation Repairing Technology
 Repairing Process of Micro LED Dead Pixel
 Repairing Technology Solution- Ultraviolet Irradiation Repairing Technology
 Dead Pixel Repairing Technology Analysis
 Repairing Technology Solution- Ultraviolet Irradiation Repairing Technology
 Transfer Head Pickup Process
 Repairing Technology Solution- Laser Welding Repairing Technology
 Repairing Technology Solution- Selective Pick Repairing Technology
 Repairing Technology Solution- Selective Laser Repairing Technology
 Repairing Technology Solution- Backup Circuit Design Solution
 Micro LED Active Defect Detection Design

Chapter 10 Full Color Technical Bottleneck and Challenge Analysis
 Full Color Technical Solution Types
 Full Color Technical Solution - RGB Chip Colorization Technique
 Full Color Technical Solution - RGB Chip Colorization Techniqueisgychnologygyi
 Full Color Technical Solution - Color Conversion Technology
 Full Color Technical Solution - Qunatum Dot Color Conversion Technology and Application
 Full Color Technical Solution - Quantum Well (QW) Color Conversion Technology
 Full Color Technical Solution - Overview
 Full Color Technical Solution - Applicability Analysis

Chapter 11 Bonding Technical Bottleneck and Challenge Analysis
 Bonding Technology - Technical Classification
 Bonding Technology - SMT Solution
 Bonding Technology - Eutectic Wave Soldering Assembly Technical Solution
 Bonding Technology - Anisotropic Conductive Adhesive (ACF) Solution
 Bonding Technology - Anisotropic Solder Paste (SAP) Solution
 Bonding Technology - Wafer Bonding Technical Solution
 Bonding Technology - Wafer Bonding Difficulty Analysis
 Bonding Technology - Micro TUBE Solution
 Bonding Technology - Technical Difficulty Analysis
 Bonding Technology - Feasibility Analysis

Chapter 12 Analysis of driving scheme bottlenecks and challenges
 Driving Technology- driving scheme types
 Driving Technology- the importance of driver IC
 Driving Technology- Relationship Between V-I Characteristics and Luminance of LED
 Driving Technology- Types of Switch Mode Driver
 Driving Technology- Relationship between PWM and Duty Cycle
 Driving Technology- Comparison between Active and Passive Matrix Driving
 Driving Technology- Display Driving Scheme- Scanning Behavior and Refresh Rate
 Driving Technology- Display Driving Scheme- Fine-pitch Display Analysis
 Driving Technology- Thin Film Transistor- Driving Matrix of LCD displays
 Driving Technology- Thin Film Transistor- Active Matrix (AM) V.S. Passive Matrix (PM)
 Driving Technology- Thin Film Transistor- Analysis of Quality-affecting Factors
 Driving Technology- OLED Driving Scheme- Photoelectric Properties of OLED
 Driving Technology- OLED Driving Scheme- PMOLED
 Driving Technology- OLED Driving Scheme- AMOLED
 Driving Technology- Micro LED Driving Scheme- PM Micro LED
 Driving Technology- Micro LED Driving Scheme- AM Micro LED
 OLED V.S. Micro LED: Power Module Comparison

Chapter 13 Analysis of Backplane Technology Bottlenecks and Challenges
 Backplane Technology- Structure of Display Backplane
 Backplane Technology- Types of Backplane Material
 Backplane Technology- Integrated Backplane: Operating Principles of Glass Substrate and Pixel Switch Components
 Backplane Technology- Integrated Backplane: Features of Glass Substrate and Pixel Switch Components
 Backplane Technology- Integrated Backplane: Size Development of Glass Substrate
 Backplane Technology- Integrated Backplane: Thermal Expansion Challenges of Glass Substrate
 Backplane Technology- Integrated Backplane: Application of Glass Substrate with Switch Components
 Backplane Technology- Integrated Backplane: Structure of Pixel Switch Components for Glass Substrate
 Backplane Technology- Integrated Backplane: Manufacturing Process of a-Si Pixel Switch Components for Glass Substrate
 Backplane Technology- Integrated Backplane: Manufacturing Process of IGZO Pixel Switch Components for Glass Substrate
 Backplane Technology- Integrated Backplane: Manufacturing Process of LTPS Pixel Switch Components for Glass Substrate
 Backplane Technology- Integrated Backplane: Resolution Comparison of Pixel Switch Components for Glass Substrate
 Backplane Technology- Integrated Backplane: Power Consumption Comparison of Pixel Switch Components for Glass Substrate
 Backplane Technology- Integrated Backplane: Leakage Comparison of Pixel Switch Components for Glass Substrate
 Backplane Technology- Integrated Backplane: Features of Flexible Substrate and Pixel Switch Components
 Backplane Technology- Integrated Backplane: Manufacturing Process of Flexible Substrate
 Backplane Technology- Integrated Backplane: Features of Flexible Substrate Materials
 Backplane Technology- Integrated Backplane: Structure of Silicon Substrate
 Backplane Technology- Integrated Backplane: Manufacturing Process of Silicon Substrate
 Backplane Technology- Integrated Backplane: Features of Silicon Substrate Materials
 Backplane Technology- Non-integrated Backplane: Outward Structure of PCB
 Backplane Technology- Non-integrated Backplane: Inward Structure of PCB
 Backplane Technology- Non-integrated Backplane: Thermal Effect of PCB
 Backplane Technology- Non-integrated Backplane: Comparison of PCB Substrates
 Backplane Technology- Non-integrated Backplane: Challenges of Manufacturing PCB
 Backplane Technology- Non-integrated Backplane: Size Limit of PCB
 Comparison of Backplane Technologies
 Backplane Technology- Applicability Analysis

Chapter 14 Analysis of Micro LED Supply Chain and Technology Developments by Company
 Analysis of Major Micro LED Developers (in the Supply Chain)
 Analysis of Product Strategies and Technology Developments by Region- Taiwan
 Analysis of Product Strategies and Technology Developments by Region- China
 Analysis of Product Strategies and Technology Developments by Region- Korea
 Analysis of Product Strategies and Technology Developments by Region- Japan
 Analysis of Product Strategies and Technology Developments by Region- EU & the US

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