NEC To Sample New 4.1-Inch LCD Modules
NEC LCD Technologies, along with NEC Electronics America, today announced that they will begin shipping samples of a new 4.1-inch (10.6cm) thin-film transistor liquid crystal display module, part number NL8048HL11-01B, at the beginning of October. Incorporating low-temperature poly-silicon (LTPS) technology, the new module features WVGA resolution for portable devices such as UMPCs and portable multimedia players, and on-display devices for various small-size broadcasting equipment.
The main features of the new LCD module are as follows.
- Higher density due to greater integration. NEC LCD Technologies has integrated peripheral circuits, including a gate driver, onto the TFT-LCD glass substrate, thereby reducing the peripheral wiring and the number of connections with external circuits. As a result, the LCD module achieves pixel density of approximately 227 ppi, allowing characters and images to be clearly reproduced on the screen, making for smooth transitions as the displayed images change.
- High luminance and wide color gamut, even with high density. The 4.1-inch module boasts luminance of 350 cd/m2 and a wide color gamut of 72 percent (NTSC ratio). These features are realized by a combination of a high aperture ratio, achieved by the LTPS TFT, and optimization of the color filters, backlight system and cell design.
- Smooth and precise color/grayscale reproduction. A 24-bit (8 bits each for RGB) source driver enables independent control of each RGB gamma value and achieves a gamma curve optimized for various purposes. The LCD panel is capable of displaying 16.77 million colors.
- Touch panel, timing controller and DC-DC converter. The module is equipped with a touch panel, timing controller, and DC-DC converter that help manufacturers of portable information devices reduce development costs and lead time.
In addition to the 4.1-inch module, the company is also offering a new 4.3-inch (11cm) color TFT LCD module, part number NL4827HC19-05B, that boasts luminance of 500 cd/m2 and wide quarter video graphics array (WQVGA) resolution.
Samples of the 4.1-inch NL8048HC11-01B and NL4827HC19-05B are scheduled to be available for sampling in October 2007.
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