China 12.1 inch 1024×768 LVDS 900nit IPS TFT LCD display with capacitive touch panel Manufacturers, Suppliers

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H121HHD20I1K001-CT1 is a 12.1 inch TFT LCD module with capacitive touch function. The capacitive touch screen supports multi-touch, has fast response and no pressure required, and is highly sensitive and smooth to operate. This LCD panel uses IPS panel technology to provide full viewing angles and rich display colors. The resolution is 1024×768 (XGA), with moderate pixel density, and the display of text, images and videos is clear and detailed, providing a high-definition visual experience. The LVDS 20PIN interface, with a 900nit high brightness design, can maintain clear display even in outdoor or strong light conditions. It is made of reinforced glass and impact-resistant materials, capable of withstanding external impacts and scratches. The working temperature can withstand -10℃ to +60℃, and can adapt to harsh environments such as industrial and vehicle use. This 12.1 inch TFT LCD panel is mainly applied in professional instruments and testing equipment: used for oscilloscopes, spectrum analyzers, etc., for displaying waveforms and data, with high resolution and touch function facilitating operation. Public information and advertising: used as information screens or billboards in airports, stations, shopping malls, etc., with high-definition display to attract attention. Industrial control and automation: used for HMI panels, PLC controllers, data acquisition terminals, for real-time monitoring and operation of equipment. Additionally, it can also be used in fields such as vehicle and transportation, medical equipment, etc.

Mechanical Drawing
Mechanical Drawing 12.1 inch TFT LCD module
Specification parameters
Feature Spec
Model Name H121HHD20I1K001-CT1
LCD Size 12.1 inch
Display Format 1024×768
Interface LVDS 20PIN
Luminance 900 cd/m²
Touch screen Capacitive touch
Viewing Direction ALL
Color Depth 16.7M
Driver IC TBD
LCM+CTP (W x H x D) (mm) 286.5 * 225 * 12.19
Active Area (mm) 245.76 x 184.32
Operating Temperature -10℃ ~ +60℃
Storage Temperature -20℃ ~ +70℃
Operating Voltage /
Interface definition
No. Symbol Description
1 RX3+ Differential Data Input, CH3 (Positive)
2 RX3- Differential Data Input, CH3 (Negative)
3 BIST Normal operation/BIST pattern select.
BIST="1" : BIST mode.
BIST="0" : Normal operation.
4 SEL68 6bit/8bit mode select.
SELB = "1" : LVDS input data is 8bits
SELB = "0" : LVDS input data is 6bits
5 GND Ground
6 RXC+ Differential Clock Input (Positive)
7 RXC- Differential Clock Input (Negative)
8 GND Ground
9 RX2+ Differential Data Input, CH2 (Positive)
10 RX2- Differential Data Input, CH2 (Negative)
11 GND Ground
12 RX1+ Differential Data Input, CH1 (Positive)
13 RX1- Differential Data Input, CH1 (Negative)
14 GND Ground
15 RX0+ Differential Data Input, CH0 (Positive)
16 RX0- Differential Data Input, CH0 (Negative)
17 reLR Left or right display control
SHLR="1" : Right → Left
SHLR="0" : Left → Right
18 reUD Up / down display control
UPDN="1" : Down → Up
UPDN="0" : Up → Down
19 VDD Power supply, 3.3V
20 VDD Power supply, 3.3V
Frequently Asked Questions
What are the primary display features of the H121HHD20I1K001-CT1 module?
The H121HHD20I1K001-CT1 is a 12.1-inch TFT LCD module with 1024×768 (XGA) resolution. It utilizes IPS panel technology to deliver all-around viewing angles, 16.7M color depth, and an ultra-high brightness level of 900 cd/m².
Is this 12.1 inch LCD panel readable in outdoor or direct sunlight conditions?
Yes, with a high luminance rating of 900 nits and reinforced impact-resistant glass, the display is specifically designed to provide clear visibility and detailed visuals under direct sunlight and bright ambient light.
What type of touch screen is integrated into this TFT LCD?
It features a capacitive touch screen (CTP) that supports multi-touch functionality, rapid touch response without requiring physical pressure, and sensitive, smooth operation.
What is the operating temperature range for industrial deployments?
The module operates reliably within a temperature range of -10°C to +60°C and supports storage from -20°C to +70°C, making it resilient for vehicle and harsh industrial environments.
Which interface does this display module use?
It features a standard LVDS 20PIN interface with selectable 6-bit or 8-bit input modes, differential data/clock channels, and integrated scan direction (reLR / reUD) controls powered by 3.3V.
What typical applications are suitable for this display panel?
This display is widely applied in test and measurement equipment (oscilloscopes, spectrum analyzers), industrial automation (HMI panels, PLC terminals), public kiosks and digital signage, as well as medical and transportation devices.

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