tft lcd source driver ic price

Similarly, Tft LCD drivers provide smooth and easy to maintain components with a higher charging voltage. In other words, Tft LCD driver provide an easy-to-use option and consume quite some energy on the components, while Tft lcd driver offer a more convenient option and consume less energy to maintain.

Similarly, Tft lCD drivers are much larger in the compared of Tft LCD ones and more important are the differences between Tft LCD and Tft LCD drivers. However, the biggest difference in their functions include that, it can be more into the sizes of Tft LCD drivers.

There are other types of Tft lCD driver, such as amber tft stick driver, battery tft lcd driver, and strip sticks for battery tft drivers. In this type, the sticks are free of the battery and can be used into many other if as is the case. Moreover, the tft lcd driver vary in its aspects as it is powered and can be used with many others.

There are two types of Tft lCD driver for 12v and one such is the Tft LCD driver 12v. In this case, the Tft LCD driver for 12v is also called the Tft LCD driver from 12v to 24v. It is essential to know that a tft lCD driver is 12v or 24v. and in this case, a tft lcd driver with 12v power supply can be obtained.

TC2079 is a 1446-channel source driver for high resolution TFT LCD. It is designed for COG (Chip-on-glass) application. The input interface is SIPI™ (Scalable Intra Panel Interface) which has been developed and patented by Parade Technologies. SIPI™ is a point-to-point interface between Timing Controller (TCON) and Source Driver (SD). The SIPI™ intra panel interface provides scalable bandwidth with reduced bus width, low EMI and low power, more robust protocol to establish link and enhance system reliability to address existing and future growth of high resolution digital display on notebook and tablet PCs and other consumer electronics applications.

(Hong Kong – 08 Oct, 2004) – With respect to the increasing demand on TFT module for smart phone application, Solomon Systech Limited launched today their first single chip TFT LCD driver IC SSD1278 which supports 176×220 (QCIF+) resolution and 262K color smart phone system. SSD1278 is a single chip solution that includes gate/source driver blocks and power management circuit. SSD1278 with RGB interface, which is supported by common image processors/graphic controllers, is a perfect solution for speedy data transfer when using CMOS/CCD camera in the smart phone system.

SSD1278 is the smallest (with only 20.9 x 1.4mm² die size) and the simplest solution commercially available for QCIF+ resolution in the amorphous TFT display. The advantages of the small die size are not only in cost reduction of the module but also achievement of compact design of the phone. The smaller die allows thinner contact ledge at the LCD module and therefore smaller overall physical size. Besides, the advanced design technology from Solomon Systech achieves low power consumption in the TFT LCD module system. This is one of the essential factors in all portable systems. In an actual measurement of a 1.9″, 176×220 QCIF+ display module using Solomon Systech’s TFT driver SSD1278, the module power consumption at 262k color, 60Hz frame frequency and line inversion is only 8mW, while the power consumption at frame inversion is even 7mW. These low power consumption values enable Solomon Systech to become one of the most competitive TFT LCD driver suppliers in the market.

The mobile phone has been improved by adding colorful display, video clip, camera function and PDA features. In order to cope with the demand on features enhancement, a new innovative mobile phone system has been created. Nowadays, the smart phone system does not only include the MCU and DSP blocks but also an image processor that can help on the MPEG4 acceleration, JPEG Codec, 2D/3D graphic engine and so on. As image processor has already sufficient display SRAM on chip, only a RAMless driver like SSD1278 is needed in order to optimize the smart phone system. This structure eliminates the duplication of RAM at the driver IC and improves overall efficiency and cost of the system. Therefore, SSD1278 is the most suitable RAMless solutions for a smart phone system and this would be the trend in the future handset market.

TFT LCDs have become the norm for small-to-medium size displays in a variety of products within industrial, medical, POS and consumer applications. Compared to passive-addressed monochrome LCDs, TFT displays offer higher contrast, wider viewing angles, faster response time and full color. And, TFT LCDs are now on cost parity with similar size passive LCD displays.

A typical TFT LCD module product consists of a TFT LCD panel, one or more COG (chip-on-glass) driver ICs, a backlight unit, and an interface FPC. Several TFT display interface technologies coexist today. Picking the right technology depends on specific end-product concerns. Most often the display panel input will dictate that choice since TFT panels are designed to be COG bonding pad compatible with a very limited number of driver ICs. This article discusses the interfaces between TFT LCD modules and the typical CPUs found in embedded applications.

Typical TFT interfaces are determined by the particular TFT panel size and resolution, as shown in the below table. HDMI and eDP require interface converting boards and generally are not used for small to medium-size TFT LCDs.TFT LCD SizesResolutionsTypical Interfaces UsedUp to 3.5″128×160 to 240×320SPI, parallel MPU or RGB

The LCD controller signals are two types: data signals and control signals. The data signals are connected to the LCD data bus and depend on the LCD color depth (8-bit, 9-bit, 16-bit, 18-bit). The control signals are used to define the operation type (read or write), and whether the operation involves in addressing LCD registers or the display RAM.

LVDS interfacing has several benefits for TFT displays. It is much less susceptible to EMI and crosstalk issues, allowing the transmitting device to be located farther from the display. Also, LVDS generally consumes less power, pin counts are lower and there are far fewer worries about signal integrity.

High-speed serial interface commonly used on smartphones and tablets. By standardizing this interface, components may be developed that provide higher performance, lower power, less electromagnetic interference and fewer pins than current devices, while maintaining compatibility across products from multiple vendors.

Modern TFT driver ICs are highly integrated chips combining the source driver, gate driver and timing controller (TCON) – as well as other functional circuits such as memory, power circuit, and image processors – into one single IC die. Some driver ICs support multiple interfaces that are selectable on the module FPC or through initialization code firmware.

As a designer and manufacturer of custom LCD modules, New Vision Display works with customers to select the most appropriate and cost-effective TFT display and electronic interface solution for their particular requirement. New Vision Display has nearly 30 years of industry experience as one of the world’s leading TFT LCD screen manufacturers.

Driver ICs are critical components of TFT-LCD panels. Driver IC receives image data and delivers precise analog voltages or currents to activate the pixels on the display. When voltage is applied to the liquid crystal within each pixel cell, the liquid crystal is bent, thereby changing the intensity of light that passes through each individual pixel. Combined with the colour filter on the front glass substrate, each pixel generates its own colours which, together with other pixels, make up the whole image on the panel.

Driver ICs for mobile phones include gate drivers and source drivers. Gate drivers turn on the transistor within each pixel cell on the horizontal row on the panel. When the transistors are turned on, source drivers will generate voltages that are applied to the liquid crystal within each pixel cell on that row for data input. The combination determines the colours generated by each pixel. Small-sized panel applications, such as mobile phones, require one source driver and one gate driver, which are integrated into a single chip due to space and cost considerations. Large-sized panel applications, such as television display or desktop monitor, normally have multiple gate drivers and source drivers which are installed separately on the panel.

Resolution and number of channels: Resolution refers to the number of pixels in width dimension multiplied by the number of pixels in height dimension. For example, a WVGA colour display screen with 480 x 800 pixels has 1,440 pixels from side to side and 800 pixels from top to bottom, and therefore it has a total number of 384,000 pixels (480 x 800 pixels). Each pixel is a sample of an original image and more samples typically provide more accurate representations of the original image. Therefore, resolution usually determines the level of fine detail within an image displayed on a panel. Each pixel is usually made up of one red column, one green column and one blue column. These three primary colours are combined to make a wide range of colours. For example, a colour display screen with 480 x 800 pixels has 480 red columns, 480 green columns and 480 blue columns for a total of 1,440 columns and 800 rows. Therefore, the display drivers ICs need to drive 1,440 column outputs and 800 row outputs.

Colour depth: Colour depth is the number of colours that can be displayed on a screen, which is determined by the number of shades of a colour, also known as grayscale, which can be shown by panel. The number of distinct colours that can be generated by a pixel depends on the number of bits of the driver IC.

Higher level of integration: Due to the size constraint of mobile phones, the space available for components is usually limited. In order to stay competitive in the market, customers demand for higher levels of integration and simpler module assembly process to manufacture more compact panels and reduce unit costs. Small-sized panel applications require one source driver, one gate driver and timing controller which can be installed as separate semiconductors or as an integrated single-chip driver. Display driver IC manufacturers aim to offer highly integrated chips combining the source driver, gate driver and timing controller, as well as other functional circuits such as memory, power circuit and image processors, into one single chip. Due to the size and power constraints of such driver IC, single-chip driver IC is generally more complex to design.

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