At the "2017 Songshan Lake China IC Innovation Summit Forum" held recently, Dr. Zhang Ningsan, Vice President of Global Sales and Global Sales of Jichuang North, delivered an important speech on panel display driver IC development trends and how to respond to future market development challenges. In-depth analysis and prospects. In the selection activity held on the same period on behalf of China's advanced IC design level, iML1998 of Jichuang North won the "Innovative IC" award.
Dr. Zhang Ningsan pointed out that high integration, low power consumption and high flexibility will be the characteristics that the next generation of display driver ICs must possess. Jichuang North has pioneered the world ’s first integrated programmable power management (PMIC) and The single-chip TV display solution iML1998 with programmable gamma buffer (P-Gamma) represents the future direction of innovation.
iML1998 is suitable for large-size LCD displays. It can currently support HD, FHD, UHD resolutions of 32 inches and above, and supports GOA displays with narrow bezels. In the future, it will be mass-produced in LCD TV products of various sizes above 28 inches. At present, a single solution can be suitable for all LCD displays. It is predicted that this product will become a key growth point for the traditional PMIC market.
For the LCD TV display driver, the T-CON board power management is a very critical module, its performance is closely related to the display effect; in addition, the T-CON board power management is composed of multiple analog chips, and its area and power consumption are in the entire The driver chip occupies a large proportion, so it is very important to reduce the power consumption and area of ​​the power management of the T-CON board.
Taking a 55-inch 4K TV as an example, its T-CON board power management requires 4 analog chips, including PMU, P-Gamma buffer, VCOM, and PVCOM. Now, only one iML 1998 can completely replace them.
Ø Rich color control can be achieved through automatic P-Gamma technology;
Ø Through programmable P-Gamma adjustment technology, dynamic Gamma curve adjustment can be achieved according to ambient light, thereby automatically adjusting the brightness and darkness of the panel, making the eyes feel more comfortable;
Ø High integration brings simplified circuit design and can save PCB board space;
Ø Lower power consumption, fewer pins, and lower cost;
Ø Higher reliability and higher performance;
The picture above shows the comparison before and after using P-Gamma technology
Leading display IC innovation trendsIn the years of technological evolution, iML has formed unique technical advantages in the field of display ICs, especially in the field of highly integrated chips and highly flexible P-Gamma technology, and is far ahead in related technical fields, leading the integration of three generations of display ICs. trend. The first generation products are typically represented by independent multi-channel PMICs before 2014. iML integrates discrete DC-DC into a single chip; the second generation is an analog integrated chip from 2015 to 2017, combining PMIC and Level Shifter or P-Gamma / VCOM has been integrated separately; the third generation product is PMIC + P-Gamma / VCOM represented by the latest iML1998. At present, these three generations of products cover the low-end, mid-end and high-end markets, forming a comprehensive product layout.
Dr. Zhang Ningsan said that in the future, with the increase in the size and resolution of LCD TVs, PMIC and P-Gamma integrated ICs that can automatically detect and adjust the voltage to greatly improve the performance of color and resolution will be satisfied. The overall demand for large-size, high-resolution display driver chips. Jichuang North will always be committed to the development of innovative technologies and drive the upgrading and innovation of the industry!
Attachment: iML1998 key featuresProgrammable I2C interface;
13.0V ~ 19.2V programmable output voltage setting;
Support AVDD external P-channel MOSFET gate control;
VIO buck regulator;
Positive charge pump voltage regulator, 20V ~ 35.2V;
Negative charge pump, 1V ~ -16.2V;
VGH / VGL temperature compensation;
GPM logic controllable;
Pressure detector (reset function);
10bit VCOM amplifier;
High current amplifier (for HAVDD);
14-channel programmable buffer with 10bit resolution;
48-pin, 6mm * 6mm TQFN package;
The number of non-volatile memories required is reduced.
About iML:iML is the world's leading power management and color calibration flat panel display and LED lighting market solution provider. Its main products are programmable gamma correction buffer circuit chips / public driver chips, power management chips, LED lighting chips, etc. -GAMA products and VCOM products have leading positions in the industry, and the market share of related products is far ahead. On November 9, 2016, Yitang Jichuang, jointly established by Jichuang North and Yizhuang Guotou, officially completed the merger and acquisition of iML. At this point, the strong alliance between the two parties will accelerate the process of highly innovative and highly differentiated products.
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