1. Specification

2. Description

ChengHao Display model CH400WV17A is a color active matrix thin film transistor (TFT) liquid crystal display (LCD) that uses amorphous silicon TFT as a switching device. This model is composed of a TFT LCD panel, a driving IC, a back-light, and FPC.

This TFT LCD has a 4.0 ( Square screen ) inch diagonally measured active display area with 480*480 pixel .

The driver used for this project is the ST7701S and can display 16.7M colors by signal input. The driver is mounted on the glass and the interconnection via FPC including components to drive the display module. Support SPI+RGB interface.

In addition, FPC can also be customized according to customer requirements, such as modifying back-light and FPC structure, interface definition, etc.

RoHS Compliance & Halogen Free.

3. Drawings

Notes:
(1) Display Type : 4 inch TFT
(2) Viewing Direction : Free Viewing Angle
(3) LCM Drive IC : ST7701S
(4) Polarizer Mode : Transmissive/ Negative
(5) Operating Temp : -20~70 ℃
(6) Storage Temp : -30~80 ℃
(7) Unmarker Tolerance: ±0.20
(8) Protection : ROHS / CE

4. Quick Detail

* LCD name: 4 Inch Square Lcd 480x480 Resolution Colour Lcd Display Module With Rgb Interface
* Part No.: KCH400WV17A
* Size.: 4 inch
* With touch panel or not: No
* Support Touch type: Capacitive / Resistive Touch Panel
* Display type: TFT
* Display colors: 16.7M
* Resolution (pixels): 480(RGB)*480
* Viewing direction: 80/80/80/80
* Controller IC: ST7701S
* Display mode: Transmissive / Normally Black
* Overall size: 74.83(W)*78.98(H)*1.98(T)mm
* Active Area: 71.856(W)*70.176(H)mm
* Luminance: 350 cd/m2
* Contrast: 800:1
* Interface type: SPI+RGB
* Pin NO.: 50pin
* Connecting type: Connector type
Backlight: 8 LED parallel
If=40mA, Vf =12.8 v

5. Application

6. Our Service

(1) Fully / Semi-automated production line ensure the best quality.
(2) Custom Design,can specially meet your needs.
(3) Fast Delivery ,about 20 days for lead time
(4) Samples available on request; Small MOQ orders can be negotiated.
(5) Provide best pre-sale and after-sale service to you.

8. FAQ

Q:Payment methods?
T/T, Paypal and Western union etc.
For samples: payment in advance.
For mass production: 50% deposit and 50% balance before shipment.

Q: What is the lead time of the products?
A:Samples in stock will be sent within 3 days after payment.
Two to Four weeks for mass production

Q:How long is the warranty period?
A:Generally the warranty period is one year. It depends on different products.

Q:What is the Product MOQ?
A:Different product has the different MOQ, please contact us sales for detailed information.

Q: What's your after-sale service?
A: If any problems, you will get our reply within 24 hours. Solution will be offered instantly by our professional technical team.

If you have more question , Please contact us now, we look forward to communicating with you !

Shenzhen Chenghao Optoelectronic Co., Ltd(ChengHao LCD) founded in 2015,is a high-tech enterprise covering research and development, manufacturing and marketing with state-of-the-art production facilities. All of our products are passed CE, RoHS, and ISO 9001 certificates. As one of the top and professional TFT and LCD display provider, Chenghao LCD offers you a broad range of displays in a variety of sizes, shapes and types. We are not only a designer and manufacturer of a variety of displays, but also the top LCD display supplier bring to you the broad range of displays that include, but not limited to:

 * Standard TFT LCD
 * Customized TFT LCD

 * High Brightness LCD

 * Touch Screen Display

Our display modules are offered with precise information about features and technical specifications. Choose the best one or in bulk according to your industrial needs and application requirements. Chenghao LCD offers the best range of LCD displays and display panels. Different Types of LCD Displays and Display Panels. Our collection of display panels is ideal to use in different applications like industrial equipment, automotive applications, server systems, POS Systems, medical equipment，household appliances, industrial contro display.

Looking for high-grade and durable TFT LCD Modules that are easy to use and come with a number of added features – mainly providing HD quality pictures and displaying information in clear way, Different type of TFT Modules or displays is required in different applications and for various purposes. They are designed by using advanced technologies and latest thousands of color combinations to make them effective. If you are looking for the best quality and latest TFT LCD Modules, Therefore, using Chenghao LCD is your best choice.