3.5-inch strip display - LCD display manufacturer-Hongcai Technology

基本参数

The 3.5-inch strip display screen has a resolution of 340×800. It is a special proportion of the display screen. With its narrower and longer design, it provides customers with more different proportions of the display screen and more choices of solutions. Currently, we can provide long TFT displays of various sizes for home appliances, computers, and electronic network system products.

规格

Item	Contents	Unit
Size	3.5	inch
LCM Dimension	36.67 (H) x 88.45 (V)	mm
LCD Active Area	33.97 (H) x 81 (V)	mm
Number OfDots	340×800	pixel
LCD Type	a-Si TFT
Viewing Direction	ALL O’clock
Driver IC	ST7701
Interface Type	SPI+RGB
Operating Temperature	-20℃~ 70℃
Storage Temperature	-30℃~ 80℃
Backlight	400	cd/m²
Touchscreen	TBD

图纸

接口

Pin No	Pin Name	Description
1	LEDA	Back-light Anode
2	LEDK	Back-light Cathode
3	LEDK	Back-light Cathode
4	GND	Power Ground
5	VDD	Power supply for interface logic circuits
6	RST	Reset input pin
7~8	NC	NC
9	SDA	Serial data input / output bidirectional pin for SPI.
10	SCK	Serial clock input for SPI Interface.
11	CS	A chip select signal
12	PCLK	Dot clock signal for RGB interface operation
13	DE	Data enable signal for RGB interface operation
14	VS	Frame synchronizing signal for RGB interface operation
15	HS	Line synchronizing signal for RGB interface operation
16~33	DB0-DB17	A 18- bit parallel data bus for RGB Interface
34	GND	Power Ground
35	TP-INT	Capacitive touch pen interrupt signal
36	TP-SDA	Capacitive touch SDA signal, 12C interface
37	TP-SCL	Capacitive touch SCL signal,l2C interface.
38	TP-RST	Capacitive touch reset signal.
39	TP-VCL	Capacitive touch Power supply.(2.8-3.3V)
40	GND	Power Ground

图片

FAQ

1. Small size TFT minimum order quantity (semi-customized)

Our MOQ is more flexible. Small-size semi-customized TFT displays are generally ordered from 100 pieces, and lower quantities can be negotiated for trial production or proofing projects.

3. Under what circumstances is FAE technical support supported?

量产或大批量项目：当订单达到一定规模
项目开发阶段：客户正在进行屏幕驱动、接口电压或软件适配
特殊需求：如需要横屏显示，触控方案等

五、你们如何确保沟通顺畅

Our sales team is familiar with international trade and technical specifications of TFT displays. We respond quickly (usually within 2 hours) and use complete technical drawings or physical photos and samples to confirm every detail before production.

七、你们工厂可以直接处理运输和出口单据

We can arrange EXW, FOB, CIF and other shipping terms and cooperate with your designated freight forwarder.

无论是空运、海运还是快递，我们都能确保快速安全的交付。

2. Minimum order quantity for medium size TFT (semi-customized)

Our MOQ is more flexible. Medium-sized semi-customized TFT displays are generally ordered from 50 pieces. For trial production or proofing projects, lower quantities can be negotiated.

四、可以定制哪些项目

触摸屏: Capacitive and resistive touch screen, AG, AF, AR, etc.
背光亮度: Can meet above 1000 cd/m². (Minolta color analysis instrument)
工业级和医疗：需要满足特定的行业要求等

六、为什么要选择你们

很多海外客户出于沟通和质量和国际物流方面的考虑，更倾向于使用代理商。

我们的团队拥有丰富的经验，提供一站式服务——从设计、报价、生产、质量检验、售后服务、报关到国际运输。您将获得工厂直销价格和服务便利。

八、主要客户是哪些国家

中国，亚洲，欧洲

LCD catalog

① 定制显示屏

A. Appearance structure backlight and interface FPC.
B. Brightness 1000cd/m², interface type, FPCA can be modified.
C. Customers require customized interface conversion between RGB, SPI, MCU, LVDS, and MIPI.

② 高亮度

High-brightness backlight technology (≥1000nits), still clearly visible under sunlight.

③ 视角

A. The up/down/left/right viewing angle can be 60 degrees.
B. IPS full viewing angle, up/down/left/right viewing angle can be 89 degrees.

④ 触摸屏

A. Capacitive touch screen, AR (anti-reflection), AG (anti-glare), AF (anti-fingerprint), TDM display touch screen OCA optical integration.

B. Four-wire or five-wire resistive touch screen, bright/matte surface can be customized.