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4 X 20 Lcd

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I have completed a comprehensive analysis of the 4x20 (2004) character LCD market trends and technical insights for 2024–2026.

The global market for character LCD modules is projected to reach $5.2 billion by 2033, with a steady 5.5% CAGR driven by the demand for low-power IoT devices and industrial stability. The 4x20 format remains a dominant choice for medical and industrial sectors because it offers 80 characters of data capacity—more than double the standard 16x2 module—while maintaining extreme cost-efficiency, with units priced as low as $0.20 to $3.00 in bulk.

The attached report provides detailed technical specifications, a breakdown of leading suppliers in Shenzhen, and a comparison of display interfaces (I2C vs. Parallel) to guide your sourcing and development decisions.

Here is the market insight report for 4x20 LCDs. You can proceed with:

4x20 Character Lcd Display Module I2c Parallel

Products · 2 lists

Factory Direct Sales 20x4 Blue Screen LCD Display Module 5V Backlight Character 2004 8 Bit Parallel/I2C Character Displays

Factory Direct Sales 20x4 Blue Screen LCD Display Module 5V Backlight Character 2004 8 Bit Parallel/I2C Character Displays

$3.654.9(931)
MOQ: 1 piece
LCD display moduleI2C50+ store reviews4% reorder rate≤3h response time
Shenzhen Hexing Optoelectronic Technology Co., Ltd.Shenzhen Hexing Optoelectronic Technology Co., Ltd.🇨🇳CN8 yrs
Monochrome COG COB Graphic Character LCM Stn Fstn Parallel Spi I2C 16x2 20x4 128x32 128x64 Lcd Display Module

Monochrome COG COB Graphic Character LCM Stn Fstn Parallel Spi I2C 16x2 20x4 128x32 128x64 Lcd Display Module

$1.25-3.134.9(752)
MOQ: 10 pieces
LCD display moduleI2C
Shenzhen Genyu Optical Co., Ltd.Shenzhen Genyu Optical Co., Ltd.verified🇨🇳CN10 yrs
Hot Sale 2004A LCD2004 20x4 Character LCD Screen 5V Blue Backlight 16Pin Parallel LCD Display Module STM32 Experiment in Stock

Hot Sale 2004A LCD2004 20x4 Character LCD Screen 5V Blue Backlight 16Pin Parallel LCD Display Module STM32 Experiment in Stock

$2-3.204.6(368)
MOQ: 10 pieces
LCD display moduleI2C300+ store reviews17% reorder rate≤5h response time
Shenzhen Jinshengwei Technology Co., Ltd.Shenzhen Jinshengwei Technology Co., Ltd.🇨🇳CN10 yrs
16-Pin 20x4 Character SPI I2C Parallel Interface Module for 2004 Monochrome COB LCD Display

16-Pin 20x4 Character SPI I2C Parallel Interface Module for 2004 Monochrome COB LCD Display

$44.7(856)
MOQ: 2 pieces
LCD display moduleI2C100+ store reviews11% reorder rate≤1h response time
Shenzhen TCC LCD Hi-Tech Co., Ltd.Shenzhen TCC LCD Hi-Tech Co., Ltd.🇨🇳CN12 yrs
Stock 5V 2004 LCD Module 20X4 Character Display Blue Yellow Green Screen HD44780 ST7066 Controller Parallel IIC I2C Port

Stock 5V 2004 LCD Module 20X4 Character Display Blue Yellow Green Screen HD44780 ST7066 Controller Parallel IIC I2C Port

$2.39-2.994.8(567)
MOQ: 10 pieces
LCD display moduleI2C6300+ store reviews13% reorder rate≤4h response time
Shenzhen Fuyuanxin Technology Development Co., Ltd.Shenzhen Fuyuanxin Technology Development Co., Ltd.🇨🇳CN8 yrs
LCD2004+I2C LCD2004 20x4 85*36mm 5V Parallel SPI White Yellow WEH001602C 16x2 OLED Character 1602 Lcd Oled Display

LCD2004+I2C LCD2004 20x4 85*36mm 5V Parallel SPI White Yellow WEH001602C 16x2 OLED Character 1602 Lcd Oled Display

$2.20-2.805.0(796)
MOQ: 10 pieces
LCD display moduleI2C23% reorder rate≤5h response time
Shenzhen Sanrui Technology Co., Ltd.Shenzhen Sanrui Technology Co., Ltd.🇨🇳CN2 yrs
Custom 20x4 TFT IPS Character LCD Module for Telecommunications & Network Devices

Custom 20x4 TFT IPS Character LCD Module for Telecommunications & Network Devices

$4-55.0(777)
MOQ: 100 units
LCD display moduleI2C100+ store reviews≤2h response time
Shenzhen Unionleds Photoelectric Co., Ltd.Shenzhen Unionleds Photoelectric Co., Ltd.🇨🇳CN8 yrs
I2C LCD2004 2004 Display Module - 20x4 Character LCD with Blue/Yellow-Green Backlight (HD44780 Compatible)

I2C LCD2004 2004 Display Module - 20x4 Character LCD with Blue/Yellow-Green Backlight (HD44780 Compatible)

$1.47-1.784.7(636)
MOQ: 10 pieces
LCD display moduleI2C900+ store reviews8% reorder rate
Shenzhen Junbaoxiang Technology Co., Ltd.Shenzhen Junbaoxiang Technology Co., Ltd.🇨🇳CN7 yrs
CH2004A-I2C ChuanHangDisplay 2004 I2C Monochrome STN LCD Module 20x4 COB Characters LCD Module 76x26mm for Compact Embedded

CH2004A-I2C ChuanHangDisplay 2004 I2C Monochrome STN LCD Module 20x4 COB Characters LCD Module 76x26mm for Compact Embedded

$2.96-3.255.0(434)
MOQ: 5 pieces
LCD display moduleI2C≤2h response time
Langzhong Hangjing Display Technology Co., Ltd.Langzhong Hangjing Display Technology Co., Ltd.🇨🇳CN3 yrs
Monochrone Character LCD Module 20X4 Display Panel with I2C Interface Transflective Display Socket Mounting 2004A V2

Monochrone Character LCD Module 20X4 Display Panel with I2C Interface Transflective Display Socket Mounting 2004A V2

$2.50-34.8(675)
MOQ: 1 piece
LCD display moduleI2C7100+ store reviews25% reorder rate≤8h response time
Shenzhen Haoyu Technology Co., Ltd.Shenzhen Haoyu Technology Co., Ltd.🇨🇳CN6 yrs
I2C LCD2004 2004 Display Module - 20x4 Character LCD with Blue/Yellow-Green Backlight (HD44780 Compatible)

I2C LCD2004 2004 Display Module - 20x4 Character LCD with Blue/Yellow-Green Backlight (HD44780 Compatible)

$1.47-1.784.9(731)
MOQ: 10 units
LCD display moduleI2C200+ store reviews15% reorder rate≤11h response time
Shenzhen Xindazhou Technology Co., Ltd.Shenzhen Xindazhou Technology Co., Ltd.🇨🇳CN1 yr
I2C LCD2004 2004 Display Module - 20x4 Character LCD with Blue/Yellow-Green Backlight (HD44780 Compatible)

I2C LCD2004 2004 Display Module - 20x4 Character LCD with Blue/Yellow-Green Backlight (HD44780 Compatible)

$1.62-1.965.0(998)
MOQ: 10 pieces
LCD display moduleI2C≤5h response time
Shenzhen Fano Technology Co., Ltd.Shenzhen Fano Technology Co., Ltd.🇨🇳CN1 yr
LCD2004+I2C LCD2004 20x4 2004A Blue Green Screen Character LCD IIC Serial Interface Adapter Module

LCD2004+I2C LCD2004 20x4 2004A Blue Green Screen Character LCD IIC Serial Interface Adapter Module

$2.20-2.504.8(730)
MOQ: 1 piece
LCD display moduleI2C1400+ store reviews1% reorder rate≤10h response time
Shenzhen Chuangheying Electronic Technology Co., Ltd.Shenzhen Chuangheying Electronic Technology Co., Ltd.🇨🇳CN5 yrs
TZT LCD2004+I2C 2004 20x4 2004A Blue/Green screen HD44780 Character LCD /w IIC/I2C Serial Interface Adapter Module For Arduino

TZT LCD2004+I2C 2004 20x4 2004A Blue/Green screen HD44780 Character LCD /w IIC/I2C Serial Interface Adapter Module For Arduino

$1.90-2.554.5(754)
MOQ: 100 pieces
LCD display moduleI2C300+ store reviews5% reorder rate≤9h response time
Shenzhen Tuozhanteng Electronic Components Co., Ltd.Shenzhen Tuozhanteng Electronic Components Co., Ltd.🇨🇳CN5 yrs
LCD2004+I2C LCD2004 20x4 2004A Blue Green Screen Character LCD IIC Serial Interface Adapter Module D662

LCD2004+I2C LCD2004 20x4 2004A Blue Green Screen Character LCD IIC Serial Interface Adapter Module D662

$2.20-2.504.7(669)
MOQ: 1 piece
LCD display moduleI2C600+ store reviews14% reorder rate≤9h response time
HELLOCHIP LIMITEDHELLOCHIP LIMITED🇭🇰HK1 yr
ZYSY 5V 2004 LCD Module Blue/Yellow Color Big Size Dimension 20X4 HD44780 ST7066 EQV Chip Parallel L Display IIC I2C Port

ZYSY 5V 2004 LCD Module Blue/Yellow Color Big Size Dimension 20X4 HD44780 ST7066 EQV Chip Parallel L Display IIC I2C Port

$1.69-1.994.7(851)
MOQ: 20 pieces
LCD display moduleI2C50+ store reviews4% reorder rate≤1h response time
Shenzhen Zhiyuan Shengye Technology Co., Ltd.Shenzhen Zhiyuan Shengye Technology Co., Ltd.🇨🇳CN1 yr
Manufacturer Sale 3.2inch 98x60MM 20*4 20x4 Larger Character LCD Display Panel Module with SPLC780D AIP31066 Parallel Port

Manufacturer Sale 3.2inch 98x60MM 20*4 20x4 Larger Character LCD Display Panel Module with SPLC780D AIP31066 Parallel Port

$3.50-3.905.0(657)
MOQ: 9 pieces
LCD display moduleI2C10% reorder rate≤6h response time
Shenzhen Zhongheda Technology Co., Ltd.Shenzhen Zhongheda Technology Co., Ltd.🇨🇳CN6 yrs
LCD Module LCD1602A 2004A 12864B 0802 16x2 20x4 Character LCD Display PCF8574 IIC I2C Interface HD44780 Controller for Arduino

LCD Module LCD1602A 2004A 12864B 0802 16x2 20x4 Character LCD Display PCF8574 IIC I2C Interface HD44780 Controller for Arduino

$0.20-34.7(223)
MOQ: 1 piece
LCD display moduleI2C14% reorder rate≤5h response time
Shenzhen Riemann Technology Co., Ltd.Shenzhen Riemann Technology Co., Ltd.🇨🇳CN1 yr
WH2004D 2004 LCD Module STN 20x4 Dots ST7066 Controller 16Pin COB Character Monochrome LCD Character Display LCD Modules 20x4

WH2004D 2004 LCD Module STN 20x4 Dots ST7066 Controller 16Pin COB Character Monochrome LCD Character Display LCD Modules 20x4

$64.9(818)
MOQ: 5 pieces
LCD display moduleI2C100+ store reviews11% reorder rate≤3h response time
Wuxi Siminuo Technology Co., Ltd.Wuxi Siminuo Technology Co., Ltd.🇨🇳CN6 yrs
LCD2004 I2C 20x4 2004A Blue Green Screen Character LCD IIC Serial Interface Adapter Module

LCD2004 I2C 20x4 2004A Blue Green Screen Character LCD IIC Serial Interface Adapter Module

$1.50-54.8(583)
MOQ: 5 pieces
LCD display moduleI2C1100+ store reviews6% reorder rate≤3h response time
Shenzhen Yuzens Technologies Co. Ltd.Shenzhen Yuzens Technologies Co. Ltd.🇨🇳CN12 yrs
LCD2004 HD44780 20x4 Blue/Green Screen I2C/SI2C Interface Character LCD Module for

LCD2004 HD44780 20x4 Blue/Green Screen I2C/SI2C Interface Character LCD Module for

$7.31-25.604.2(656)
MOQ: 1 piece
LCD display moduleI2C400+ store reviews10% reorder rate≤4h response time
Shenzhen Kexinxin Technology Co., Ltd.Shenzhen Kexinxin Technology Co., Ltd.🇨🇳CN4 yrs
20X4 Character LCD Module 4x20 Character Lcd Interfacing Module 2004C LCD STN Negative Blue Mode 8 Bits Parallel Interface

20X4 Character LCD Module 4x20 Character Lcd Interfacing Module 2004C LCD STN Negative Blue Mode 8 Bits Parallel Interface

$0.50-2.504.8(740)
MOQ: 1 piece
LCD display module
Guangdong Yehui Technology Co., Ltd.Guangdong Yehui Technology Co., Ltd.🇨🇳CN2 yrs
LCD2004 2004 20x4 2004A Blue/Yellow Green/White Screen SPLC780D Character LCD IIC I2C Serial Interface Adapter Module AIP31066

LCD2004 2004 20x4 2004A Blue/Yellow Green/White Screen SPLC780D Character LCD IIC I2C Serial Interface Adapter Module AIP31066

$0.50-0.884.9(476)
MOQ: 5 pieces
LCD display moduleI2C100+ store reviews15% reorder rate≤4h response time
Shenzhen Ziyueda Technology Co., Ltd.Shenzhen Ziyueda Technology Co., Ltd.🇨🇳CN6 yrs
20x4 character LCD display white on black

20x4 character LCD display white on black

$4.50-105.0(699)
MOQ: 1 piece
LCD display moduleI2C50+ store reviews7% reorder rate≤4h response time
Dongguan Chang'an Changyou Electronic FactoryDongguan Chang'an Changyou Electronic Factory🇨🇳CN8 yrs
2.4 Inch Display IPS SPI I2C Parallel TP TFT Module

2.4 Inch Display IPS SPI I2C Parallel TP TFT Module

$6.764.9(354)
MOQ: 1 piece
LCD display moduleI2C14% reorder rate≤4h response time
Shenzhen Zhunyi Technology Co., Ltd.Shenzhen Zhunyi Technology Co., Ltd.verified🇨🇳CN8 yrs
LCD2004 2004 20x4 2004A Blue/Yellow Green/White Screen SPLC780D Character LCD IIC I2C Serial Interface Adapter Module AIP31066

LCD2004 2004 20x4 2004A Blue/Yellow Green/White Screen SPLC780D Character LCD IIC I2C Serial Interface Adapter Module AIP31066

$0.50-0.884.6(262)
MOQ: 5 pieces
LCD display moduleI2C4% reorder rate≤1h response time
Shenzhen Xinxiangrong Electronic Technology Co., Ltd.Shenzhen Xinxiangrong Electronic Technology Co., Ltd.🇨🇳CN1 yr
LCD2004 2004 20x4 2004A Blue/Yellow Green/White Screen SPLC780D Character LCD IIC I2C Serial Interface Adapter Module AIP31066

LCD2004 2004 20x4 2004A Blue/Yellow Green/White Screen SPLC780D Character LCD IIC I2C Serial Interface Adapter Module AIP31066

$0.50-0.884.7(259)
MOQ: 5 pieces
LCD display moduleI2C≤4h response time
Shenzhen Dongjiang Chuangfu Technology Co., Ltd.Shenzhen Dongjiang Chuangfu Technology Co., Ltd.🇨🇳CN1 yr
Manufacture LCD1602 Module16x2/20x4 Character LCD Display Module IIC I2C Blue Black Light LCD 3.3V/5.0V

Manufacture LCD1602 Module16x2/20x4 Character LCD Display Module IIC I2C Blue Black Light LCD 3.3V/5.0V

$1.504.7(640)
MOQ: 10 pieces
LCD display moduleI2C100+ store reviews12% reorder rate≤3h response time
JEO TECH Co., Ltd.JEO TECH Co., Ltd.🇨🇳CN4 yrs
LCD Module LCD1602A 2004A 12864B 0802 16x2 20x4 Character LCD Display PCF8574 IIC I2C Interface HD44780 Controller for Arduino

LCD Module LCD1602A 2004A 12864B 0802 16x2 20x4 Character LCD Display PCF8574 IIC I2C Interface HD44780 Controller for Arduino

$0.20-34.9(525)
MOQ: 1 piece
LCD display moduleI2C50+ store reviews12% reorder rate≤3h response time
Shenzhen Yuke Chip Electronics Co., Ltd.Shenzhen Yuke Chip Electronics Co., Ltd.verified🇨🇳CN1 yr
240x128 Transflective STN LCD Display Module, Blue Background Monochrome COB LCD Screen I2C Interface, Complete ASCII Character

240x128 Transflective STN LCD Display Module, Blue Background Monochrome COB LCD Screen I2C Interface, Complete ASCII Character

$20-284.9(924)
MOQ: 1 piece
LCD display moduleI2C32% reorder rate≤4h response time
Shenzhen Hongjing Electronic Co., Ltd.Shenzhen Hongjing Electronic Co., Ltd.verified🇨🇳CN2 yrs

Deep Dive · Full Report

Full Market Report

1 document · Live-fetched from source

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Sources & References

28 sources cited · Verified industry data & reports

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