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17.3-inch LCD module using a-Si TFT-LCD technology, it is equipped with WLED backlight, including LED driver backlight drive, no touch. As an ADS, normally black display, transmission LCD module product, 17.3-inch screen can provide 800:1 transmission contrast, and 85/85/85/85 (Typ.)(CR≥10)(L/R/U/D) viewing Angle, the best viewing Angle is the full viewing Angle. Its response time is 30 (Typ.)(Tr+Td) ms. Thanks to the 6-bit grayscale signal per pixel, this product can display 262K colors and display color saturation of 72% (NTSC). In terms of backlight, this product uses a 10S6P WLED light-emitting side-entry light source with a service life of 15K hours, including LED drivers. The 17.3-inch screen has an eDP (2 Lanes) signal interface, a total of 30 pins, and a 3.3V drive voltage (Typ.). Its typical vertical refresh rate, Fv, is 60Hz. Its operating temperature is -20 ~+70 °C, storage temperature is -30 ~+ 80 °C, and vibration resistance is 1.5G (14.7 m/s²). Based on its sRGB, white LED backlight, including LED driver, terminal flip, surface fog, eDP1.2 and other features, this model is recommended for notebook, industrial, medical imaging and other products.

NO.	Product name	17.3 Inch 30 Pin TFT Screen
1	Type	a-Si TFT-LCD, LCM
2	Screen Size	17.3inch
3	Pixel Format	1366768 、19201080
4	Luminance	200~1000cd/m² (Optional)
5	Outline Dim	381.888(W)×214.812(H) mm
6	Operating Temperature	-20 ~+70 °C(Optional)
7	Storage Temperature	-30 ~ +80 °C(Optional)
8	Number of pins	30pin
9	Interface Type	EDP/LVDS,30 or 40pins Connector
Reminder: For detailed information and quotation, please contact customer service to obtain.

The working principle of TFT liquid crystal display

(1) How TFT works TFT is the abbreviation of "Thin Film Transistor". Pixels are controlled, which is the origin of the so-called active matrix TFT (active matrix TFT). So how is the image generated? The basic principle is very simple: the display screen is composed of many pixels that can emit light of any color, as long as each pixel is controlled to display the corresponding color, the purpose can be achieved.

Backlight technology is generally used in TFT LCD. In order to accurately control the color and brightness of each pixel, it is necessary to install a shutter-like switch behind each pixel. When the "shutter" is opened, light can pass through, while the "shutter" When the shutters are closed, no light can come through. Of course, technically, it is not as simple as what was just said. LCD (Liquid Crystal Display) makes use of the characteristics of liquid crystals (it is liquid when heated, and crystallizes into a solid state when cooled). Generally, liquid crystals have three forms:

Clay-like smectic (Smectic) liquid crystals

Filamentous (Nematic) liquid crystals similar to thin matchsticks

Cholestic liquid crystals

Liquid crystal displays use filaments, and when the external environment changes, its molecular structure will also change, so it has different physical properties-it can achieve the purpose of letting light pass or blocking light-that is, the blinds just mentioned.

Everyone knows the three primary colors, so each pixel on the display screen needs to be composed of the three similar basic components introduced above to control the three colors of red, green and blue respectively.

The most commonly used one at present is Twisted Nematic TFT LCD (Twisted Nematic TFT LCD). The following figure explains the working principle of this type of TFT display. Existing technologies vary widely, and we'll cover them in detail in the second part of this article.

There are grooves on the upper and lower layers, wherein the grooves on the upper layer are arranged vertically, while the grooves on the lower layer are arranged horizontally. When no voltage is applied to the liquid crystal in its natural state, the light emitted from the light emission layer will be twisted at 90 degrees after passing through the interlayer, so that it can pass through the lower layer smoothly.

When a voltage is applied between the two layers, an electric field is created, and the liquid crystals are aligned vertically, so the light doesn't twist—and as a result, light can't pass through the underlying layer.

(2) TFT pixel structure: Color filters are divided into red, green, and blue according to the color, which are arranged in turn on the glass substrate to form a group (dot pitch) corresponding to a pixel. Each monochrome filter is called For sub-pixel ( sub-pixel ). In other words, if a TFT display supports a maximum resolution of 1280 × 1024, then at least 1280 × 3 × 1024 sub-pixels and transistors are required. For a 15-inch TFT display (1024 × 768), a pixel is about 0.0188 inches (equivalent to 0.30mm), and for an 18.1-inch TFT display (1280 × 1024), it is 0.011 inches (equivalent to 0.28mm) .

About Us

Shenzhen Zhongchuangxiang Technology Co., Ltd. is an enterprise integrating R&D, design, production and sales. Relying on South China's advantageous electronics industry chain and warehousing logistics, through the promotion of Alibaba, Google, Amazon and other platforms, the company provides customers with online and offline services in more than 30 countries in Southeast Asia, Europe and the United States to provide customers with professional and integrated pre-sales, Sales and after-sales service. The company's main service industries: notebook computers, commercial display, medical equipment, mobile digital, face recognition, smart home, smart wear, audio-visual equipment, industrial control, security equipment and other industry terminal brand customers.

The company's existing plant is nearly 1,500 square meters, with more than 80 front-line employees. The company has domestic first-class cutting machines, cleaning lines, COG, FOG, and other liquid crystal display module assembly production lines, with a monthly production capacity of more than 1,000K; the workshop implements a central The air conditioner is centrally controlled, the constant temperature is 25 degrees Celsius, the cleanliness is class 1000, and some parts are class 100. The environment is comfortable, no noise, no pollution.