Technological evolution-Shijiazhuang Chengzhi Yonghua Dispiay Material Co.,Ltd

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R&D technology

Technological evolution

Development of Liquid Crystal Material Technology for Display

Development of OLED materials for display

Development of New Products, New Materials, and Technologies

1968-1987

Theoretical research

1987-1998

TN low threshold wide temperature
TN/HTN

1999

STN/Multistable/VA

2001

High channel STN

2014

IPS (Negative) - TFT
Mass production in 2015

2016

UV2A-TFT
Mass production in 2016

2018-2020

UVA-TV type
TFT-LCD liquid crystal display
IPS/FFS-NB (N) type
TFT-LCD liquid crystal display

2021-2022

PSVA-MNT type
TFT-LCD liquid crystal display
UV2A-MNT type
TFT-LCD liquid crystal display

high permeability

high contrast

quick response

high reliability

2016

OLED materials officially sold

2017

OLED materials officially sold

2018

Establishment of OLED Material Upgrading Central China Test Base and Device Verification Platform

2020

OLED sublimation base and device verification experimental line put into use

2022

Blue light material recognized by customers

2023

Blue light material achieves mass production

solve
Blue light problem

IQE improvement

solve
poor stability

Improve RISC

solve
Severe quenching

solve
Poor color purity

solve
Less light extraction

PLQY Upgrade

2019

Reverse PDLC

2020

Liquid Crystal Antenna

2021

LCD writing tablet
¼ λ waveplate

2022

PDLC project
Landing incubation

2023

Liquid crystal optical coating material
PSPI photoresist
LCD organic insulating film material
Organic silicon OCA optical adhesive
PSA optical pressure-sensitive adhesive
Electronic ink materials

未来

Display everywhere…
Automotive dye LCD
Liquid crystal coating material
Display with PSPI photoresist
Reverse PDLC dimming film
E-paper
Organic silicon OCA adhesive

Innovative achievements

Leading global patent reserves, leading national standard setting, and participating in global display material technology regulations

Standard

Invention patent

R&D project

As of July 2025, cumulative invention patent authorizations1681item.

Lead the development of national standards2item, group standard15item、local Standard8item.

567 Chinese Mainland

87 South Korea

476 Japan

79 Europe

211 the United States