Nitride LED and Laser Technology and Its Impact on the Display

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Nitride LED and Laser Technology and Its Impact on the Display

Since the development of p-type material in 1989, research in nitride emitter

technology has developed rapidly over the last 15 years. This material system

provided a new range of color applications that could be better utilized and

with far better reliability than the II-VI material system. Laser lifetimes >

10,000 hours have been surpassed. The rapid commercial deployment of the

nitride LED sources has meant that this is a competitive but relatively

captive market. This dichotomy exists because the company that initially

commercialized the material system has been aggressive in the market and

protective of its technology. The market is high volume and has grown

tremendously, especially as the majority of applications are consumer based.

The intellectual property around the GaN-based systems has been a major

concern because one company made the initial manufacturing breakthrough. As

the technology has now become more established and substrate technology has

been developing, newer applications and wavelengths are available. Despite

this, issues with efficiency, light extraction, defect density, packaging,

and thermal performance remain. Improvements in the electrical to optical

conversion efficiency still need to be made.
Three specific questions were the focus of this Optoelectronics Industry

Development Association (OIDA) forum:
1. What are the technological benefits of the different substrate routes and

growth technologies, including the applications and markets?
2. What are the concerns for high efficiency green, UV LEDs and lasers? What

is the right path forward?
3. What is the right route regarding intellectual property, packaging, and

thermal effects for nitride-based LED and laser sources and the lack of

standards in these areas?
The major product segments analyzed are Liquid Crystal Displays (Active

Matrix Liquid Crystal Displays (AMLCDs), Passive Matrix Liquid Crystal

Displays (PMLCDs), and Segmented LCDs), Plasma Display Panels (PDPs),

Electroluminescent Displays (EL Displays), Organic Light Emitting Displays (

OLEDs), Light Emitting Diode (LED) Displays, VFDs (Vacuum Fluorescent

Displays), FEDs (Field Emission Displays), also Led display,Led manufacturer,

Electronic signs and Others. The Major End-Use Segments Analyzed are

Information Systems, Personal Computers, Telecomm. Equipment, Instrumentation,

Consumer Appliances, Transportation equipment, Medical devices, and Others.

The report provides separate comprehensive analytics for the US, Canada,

Japan, Europe, Asia-Pacific, and Rest of World. Annual forecasts are provided

for each region for the period of 2001 through 2015. The report profiles 260

companies including many key and niche players worldwide such as AU Optronics

Corp., Clover Display Limited, Chi Mei Optoelectronics Corporation, Chunghwa

Picture Tubes Ltd., Densitron Technologies PLC, Emerging Display Technologies

Corp., Hantronix, Inc., HannStar Display Corp., Hitachi Displays, Jaco

Displays Solutions, Kopin, Corp., LG Display Co., Ltd., Microtips Technology,

Inc., NEC-LCD Technologies, Okaya Electric Industries Co., Ltd., Optrex

Corporation, Optrex America, Inc., Powertip Tech. Corp., Samsung Electronics

Co. Ltd., Sharp Corporation, Sony Corporation, International Display

Technology Co., Ltd., Toshiba Matsushita Display Technology Co., Ltd.,

Universal Display Corporation, and Viewsonic Corporation. Market data and

analytics are derived from primary and secondary research. Company profiles

are mostly extracted from URL research and reported select online sources.
The scope of this report is to review the technology, market applications,

future developments, and direction of nitride lasers and light emitting

devices. It begins with relevant background information and then incorporates

the output from the OIDA forum. This report reviews the issues raised and

provides a summary of recommendations from the meeting.

Article Source: http://articlenexus.com

David ZHENG is the CEO of www.skymaxleddisplay.com .A company specialized in selling all kinds of LED products such as Led display,Led manufacturer,Electronic signs etc.

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