Medium-Small Sized LCD & OLED Drive IC Industry Report, 2005-2006
  • Jan/2006
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The Drive IC is the most expensive component of the liquid crystal module. The high-speed development of liquid crystal industry also promotes liquid crystal drive IC industry. In contrast with other analog IC, drive IC has particular features, such as huge shipments, extremely high technical requirements, close relationships with panel manufacturers and unique business patterns. Therefore, most drive IC manufacturers are professional IC manufacturers and are rarely involved in other fields.

The field of large-sized LCD drive IC is quite difficult to enter. Besides the high technical requirements, large sized drive IC manufacturers must obtain the cooperation of large size panel manufacturers and top wafer OEM. There are only two panel production lines in China mainland, and the purchasing right of drive IC is controlled has to be obtained abroad. Magnachi, the associated company of Hydis, is one of top five global large-sized drive IC manufacturers. NEC, the associated company of Shanghai SVA-NEC, is the third largest global large-sized drive IC manufacturer.


The field of medium and small sized LCD drive IC is comparably easier to enter considering factors such as a fewer connections between LCD Panel manufacturers, a large number of medium and small LCD module manufacturers in China mainland with a self-purchase right.  However, the high technical requirements for medium and small LCD drive IC can not be ignored.

1.  High technical requirements

Like large sized TFT-LCD drive IC, the medium and small sized TFT-LCD drives IC also need high pressure techniques. Source drive and gate drive separately needs 6V and 20V-40V. And medium and small sized TFT-LCD drives IC need to be as concentrated as possible, while large sized TFT-LCD only needs 0.35 micron.

Thanks to its rich experience, UMC is able to provide high pressure technique of 0.25 micron and 0.18 micron aiming at STN and TFT drive IC. TSMC has also declared that it had begun mass production with 0.18 micron technique, with a low power consumption of 40V. But TSMC and HJTC in China mainland are not able to do it yet.

2.  Different voltage and technical requirements for various segments

Voltage and Technical requirements for various segments of Drive IC



3. The necessity of overall technology for manufacturers

Manufacturers must be accomplished in analog circuit, power management, MCU, digital clock circuit, image processing, color management.  

TFT-LCD drive IC for mobile phones has the highest concentration degree as well as the highest technical requirements. Source drive IC and gate drive IC of large sized TFT-LCD drive IC are separate. Sometimes, the control part of digital clock control, power supply and cache memory are also separate. But the development trend of TFT-LCD drive IC for mobile phone is totally integrated, meaning that not only initiative drive IC, gate drive IC, clock control, power supply but also the cache memory should be integrated in one single chip. Only a few manufacturers are able to do so : NEC, TOMATO, and LEADIS etc, and especially Renesas, which is the largest medium and small sized TFT-LCD drive IC manufacturer in the world. While all Taiwan manufacturers produce source drives and gate drives separately.

The OLED drive IC also has some specific technical requirements. OLED is the current-drive display equipment. Presently, 95% of OLED is passive OLED. Due to the different electrical features for various picture elements, it requires different electric current supplied by Drive IC in order to realize the same lightness, therefore, the electric current lightness control system has to be added. Meanwhile, as a kind of equipment with high power consumption, OLED needs efficient power as well as high pressure, therefore, DC/DC is always internally integrated, but causes the problem of EMI disturbance.

Medium and small sized LCD drive IC manufacturers all have their own technical background or obtain technologies by purchase. The founder of LEADIS was once the manager of Samsung drive IC department. Solomon Systech was once LCD department of Motorola, and MANANCHIP entered this field after had purchased ISRON.

There is a long-term development for companies once the technical barrier has been crossed. Solomon Systech is a good example. Currently, it is the largest IC design corporation in China (except Taiwan). In 2005, the sales of Solomon Systech exceeded USD $400 million with a profit of USD $76 million. Its market share of color STN-LCD drive IC and OLED drive IC ranked first in the world. Especially in the field of OLED, its market share exceeds 60% with a gross profit margin maintains at 20%.

1 Brief Introduction of LCD
1.1 Circuit of large-sized TFT-LCD
1.2 Brief introduction of large sized TFT-LCD drive IC
1.2.1 Principle of large-sized TFT-LCD drive IC
1.2.2 Features of large-sized TFT-LCD drive IC
1.2.3 Large-sized TFT-LCD drive IC assembly
1.2.4 Brief introduction of large-sized TFT-LCD drive IC industry
1.2.5 Brief introduction of large-sized TFT-LCD drive IC market
1.2.5 Brief introduction of large sized TFT-LCD control IC
1.3 Medium and small sized TFT-LCD drive IC
1.3.1 Source drive IC of medium and small sized TFT-LCD
1.3.2 Extremely high entry barrier for the field of medium and small sized TFT-LCD drive IC
1.4 Medium and small sized TFT-LCD drive IC industry
1.5 Downstream market of medium and small sized display

2 Brief Introduction of OLED
2.1 Principle and classification of OLED
2.2 Drive method of OLED
2.3 Development forecast of medium and small sized OLED
2.4 OLED market status
2.5 OLED industry status

3 Major medium and small sized LCD manufacturers and OLED Panel manufacturers
3.1 Wintek
3.2 Innolux Display
3.3 EDT
3.4 Giantplus Technology
3.5 LG Innotek
3.6 Hyundai LCD
3.7 Philip Mobile Display
3.8 Shenzhen Lide
3.9 BYD 
3.10 TCL Display Technology
3.11 Lanser Displaytech
3.12 Tianma
3.13 Skyworth LCD Device Co., Ltd.
3.14 Truly Semiconductor
3.15 Ampire Co., Ltd
3.16 Shantou Goworld Display
3.17 TECO Optronics
3.18 Univision Technology
3.19 RiTdisplay Corporation

4 Major medium and small sized LCD manufacturers and OLED Drive IC manufacturers
4.1 Renesas
4.2 Philip
4.3 Samsung Electronics
4.4 UltraChip
4.5 Sunplus Technology
4.6 Teralane Semiconductor
4.7 Sitronix Technology
4.9 NEC Electronics
4.10 Solomon Systech
4.11 OKI
4.13 Himax Technologies
4.14 Novatek
4.15 Leadis
4.16 PixelChips
4.17 Sharp
4.18 MagnaChip
4.19 Tomato LSI
4.20 Shanghai Aerospace-Shanghai University OLED Technology
4.23 LDT
4.24 Clare
Structure of TFT-LCD panel
Circuit module of LCD 
Equivalent circuit of TFT-LCD Panel 
Market share distribution (by shipment) of large-sized TFT-LCD Drive IC in 2005 Q2
Shipment of large-sized TFT-LCD Drive IC from 2004-2009 
Internal frame of Renesas HD66789 Drive IC
Medium and small sized TFT-LCD Drive IC method---direct drive 
Medium and small sized TFT-LCD Drive IC method---centralized drive 
Corresponding resolution and panel size of medium and small sized TFT-LCD Drive IC methods 
Market share distribution of major medium and small sized TFT-LCD Drive IC manufacturers in the first half of 2005 
Market share distribution of Major Color STN-LCD Drive IC manufacturers in the first half of 2005 
Global application type structure of mobile phone display from 2002-2007 
Global resolution composition of mobile phone display from 2004-2007 
Global composition of mobile phone main display from 2004 Q4-2005 Q3 
Global shipment composition of mobile phone main display from 2005 Q1-2005 Q3 
Market share distribution of major global mobile phone main display manufacturers from 2004 Q4-2005 Q3 
Market share distribution of major global mobile Phone TFT-LCD main display manufacturers from 2004 Q4-2005 Q3 
Market share distribution of major global mobile phone CSTN-LCD main display manufacturers from 2004 Q4-2005 Q3 
Market share distribution of major global mobile phone MSTN-LCD main display manufacturers from 2004 Q4-2005 Q3 
Global shipment composition of mobile phone sub-display from 2005 Q1-2005 Q3 
Market Share distribution of major global mobile phone sub-display manufacturers from 2004 Q4-2005 Q3 
Market Share distribution of major global mobile phone TFT-LCD sub-display manufacturers from 2004 Q4-2005 Q3 
Market share distribution of major global mobile phone CSTN-LCD sub-display manufacturers from 2004 Q4-2005 Q3 
Market Share distribution of major global mobile phone MSTN-LCD sub-display manufacturers from 2004 Q4-2005 Q3
Production Line distribution and layout  of Wintek 
Products of Wintek
Color LCD Products of EDT
Factory information of Giantplus 
Products of Giantplus
Production of Shenzhen Lide 
Major color TFT display module products of Shenzhen Lide 
Ouput and factory distribution of BYD LCD&LCM 
LCD products of BYD
Main clients of BYD
Main products of TCL  
Module production of TCL  
Main raw material suppliers of TCL  
Mobile phone color STN-LCD products of LDI
Gross profit of Tianma from 2002-2004 
Mobile phone LCD products of Tianma
Products of Skyworth 
Product classification and technical specification of Truly Semiconductor
Productin lines of Truly Semiconductor
Mobile phone LCD products of Truly Semiconductor
Production lines and production capability of Ampire
CSTNututk Products of Shantou Goworld Display

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