Dr. Honglei Ji – Mini/Micro LED & Quantum Dot Display Expert
Personal Information
Name: Ji Honglei
Gender: Male
Date of Birth: May 6, 1980
Employer: TCL Group
Title: Senior Engineer (Full Professor Level)
Main Experiences
August 2010 – Present: System Engineer, R&D Center of TCL Group
April 2007 – August 2010: R&D Supervisor, Guangzhou Daxin Optoelectronics Co., Ltd.
September 2004 – April 2007: Master of Materials Physics and Chemistry, Changchun University of Science and Technology
September 1998 – July 2002: Bachelor of Materials Science and Engineering, Harbin Institute of Technology
🏅 Awards & Honors
2023: Foshan Pioneer Science and Technology Progress Award for “Key Packaging Technologies and Integrated Applications of High-Performance New Display Devices”
2022: Second Prize of the Guangdong Provincial Science and Technology Progress Award for “Key Technologies of Multi-Zone, High-Color-Gamut, Ultra-Thin Mini-LED Backlight and Display” (Ranked 2nd)
2021: Second Prize of the Fujian Provincial Science and Technology Progress Award for “Development and Industrialization of Key Technologies for Wide-Color-Gamut Quantum Dot Backlights” (Ranked 7th)
2015: Third Prize of the Guangdong Provincial Science and Technology Progress Award for “Key Technologies for LCD TVs with Integrated Design of BMS LED Backlight Module and the Whole System” (Ranked 7th)
2021: First Prize of the China Nonferrous Metals Industry Association for Science and Technology for “Complete Technology Set and Applications of Micro-Nano Silver Powder and Its Paste”
2021: Guangdong Provincial Electronic Information Science and Technology Industry Award for “Ultra-Fine Silver Powder for Smart Devices, Printable Silver Paste Materials, Green Manufacturing Processes, and Application Technologies”
2021: Gold Award in the High-Value Patent Competition of the Guangdong–Hong Kong–Macao Greater Bay Area for “Patent Strategy of High-Color-Gamut Ultra-Thin Mini-LED Backlight and Display”
2020: Gold Award in the High-Value Patent Competition of the Guangdong–Hong Kong–Macao Greater Bay Area for “Patent Strategy of Quantum Dot Display”
🎓 Teaching & Scientific Research Projects
2017 – December 2021: Participated in the National Key R&D Program under the Strategic Advanced Electronic Materials Special Project, titled
“Development and Application Demonstration of Key Technologies for Quantum Dot Backlights” (Project No. 2017YFB0404600), with a total funding of CNY 10 million.
Role: Project Leader.2020 – September 2024: Participated in the Guangdong Provincial Key Area R&D Program, titled
“Research, Development, and Industrial Application of Low-Environmental-Pollution Quantum Dot Light-Emitting Materials and Devices” (Project No. 2020B0101030008), with a total funding of CNY 6 million.
Role: Topic Leader (Principal Investigator).December 2024 – Present: Participating in the High-Quality Development Special Project of the Ministry of Industry and Information Technology, titled
“90-Microlens Array Project”, with a total funding of CNY 66 million.
Role: Topic Leader (Principal Investigator).
🤝 Participation in Social Organizations
2017: Appointed as a Technical Committee Member of the SID Beijing Chapter
2019: Appointed as a Technical Committee Member of the National Nanotechnology Standardization Technical Committee
2019: Served as a Member of the Display Expert Group of the Guangdong Provincial Department of Industry and Information Technology
2019: Appointed as an Expert of the TC110 Group under the International Electrotechnical Commission (IEC) Standards Committee
2021: Appointed as a Member of the High-Definition Display Professional Committee, Guangdong Optoelectronic Technology Association
2022: Became a Member of the Display Product Visual Health Expert Committee, Shenzhen 8K UHD Video Industry Collaboration Alliance
2022: Appointed as a Young Editorial Board Member of the journal Chinese Journal of Liquid Crystals and Displays
📚 Academic Output
From 2017 to 2023, Dr. Ji:
Published 2 SCI-indexed papers, 3 EI-indexed papers, and 2 papers in core Chinese journals as first author
Participated in the formulation of 2 national standards, 5 group standards, and 7 international conference papers
Published 1 article in a Nature sub-journal as second author, in addition to several other co-authored publications
📏 Standardization Contributions (Optimized English)
🏛️ National Standards (2 items)
Dr. Ji participated in the formulation of the following national standards for quantum dot materials:
GB/T 42976–2023 – Test Methods for Optical Properties of Quantum Dot Light-Conversion Films
GB/T 42977–2023 – Determination of Optical Reliability of Quantum Dot Light-Conversion Films
🏢 Group Standards (4 items)
He also contributed to the development of the following industry group standards:
TCVIA 83–2021 – Test Methods for Mini-LED Backlit LCD TVs
TCVIA 84–2021 – Technical Requirements for Mini-LED Backlit LCD TVs
T/SUCA 002–2021 – General Technical Requirements for AM Mini-LED Backlights of Ultra-High-Definition Display Devices
T/CI 027–2021 – Quantum Dot Diffuser Plates for LCD Backlight Modules
🧠 Intellectual Property (Patents)
From 2011 to 2022, Dr. Ji:
Filed 10 patents as first inventor, covering key technologies in display systems, quantum dots, and backlighting
Participated in the application of an additional 52 patents, contributing to a wide range of innovations in mini/micro LED, optical film structures, and quantum dot display technologies
📚 List of Articles by Dr. Honglei Ji
[1] Wu X, Ji H, Yan X, et al. Industry outlook of perovskite quantum dots for display applications [J]. Nature Nanotechnology, 2022, 17(8): 813–816. https://doi.org/10.1038/s41565-022-01163-8
[2] Honglei Ji, Daochun Ye, Huaishu Xu, Enguo Chen, Ziyi Ge. Multi-layer co-extruded quantum-dot diffuser plate for ultra large TV backlights [J]. Optical Materials Express, 2022, 12(4): 1648–1656.
[3] Honglei Ji, Pengfei Li, Wenjing Fu, Zelong Li, Ziyi Ge. The application of wide spectrum low peak blue light technology in health TV display [J]. Journal of the Society for Information Display, 2022, 38(1): 1–7.
[4] Ji Honglei, Zhou Qingchao, Pan Jun, Bai Zelong, Zhong Haizheng. Quantum dot liquid crystal display backlight technology [J]. Chinese Optics, 2017, 10(05): 666–680.
[5] Ji Honglei, Mi Xiaoyun, Zhang Xin, Shao Shuang, Zhang Huiling. Hydrothermal synthesis of CaTiO₃:Re³⁺ (Re = Eu,Dy) and its luminescent properties [J]. Chinese Journal of Luminescence, 2018, 39(02): 127–133.
[6] Ji Honglei, Cheng Shangjun, Li Pengfei, Zhang Yan, Ge Ziyi. The Helmholtz–Kohlrausch effect of quantum dot backlight liquid crystal display technology [J]. Chinese Optics, 2022, 15(01): 132–143.
[7] Ji Honglei, Zhang Pingping, Yang Gaoling, Zhang Yan, Ge Ziyi. Development status and challenges of Micro-LED display [J]. Chinese Journal of Liquid Crystals and Displays, 2021, 36(8): 1101–1112.
[8] Ji Honglei, Chen Naijun, Wang Daiqing, Zhang Yan, Ge Ziyi. Progress and challenges in the application of Mini-LED backlight technology in TV products [J]. Chinese Journal of Liquid Crystals and Displays, 2021, 36(7): 983–992.
[9] Ji Honglei, Wang Daiqing, Qiang Kewen, Wang Hui, Wang Zengmin. Application research of quantum dots in TV display technology [J]. Information Recording Materials, 2019, 20(01): 1–3.
[10] Fei Nannan, Wei Qiang, Cao Liang, Bai Yongqi, Ji Honglei, Peng Ruixiang, Huang Like, Shiyou Hao, Ge Ziyi. A symmetric nonpolar blue AIEgen as nondoped fluorescent OLED emitter with low efficiency roll-off [J]. Organic Electronics, 2020, 78(C): 105574.
[11] Honglei Ji, Huaishu Xu, Junqiu Guo. 79‐1: Invited Paper: A New Generation of QD‐Diffusion Plate Technology for TV [J]. SID Symposium Digest of Technical Papers, 2020, 51(1): 1171–1173.
[12] Honglei Ji, Huaishu Xu, Feng Jiang, Zelong Bai, Haizheng Zhong. 75‐1: Invited Paper: Hybrid Backlight System based on Blue, Red LEDs and Perovskite Quantum Dots for Liquid Crystal Display Application [J]. SID Symposium Digest of Technical Papers, 2019, 50(1): 1064–1066.
[13] Honglei Ji, Zelong Li, Huaishu Xu. P‐8.2: Research and Discussion on Current Low Blue Light Standards for TV Products [J]. SID Symposium Digest of Technical Papers, 2019, 50.
[14] Honglei Ji, Junqiu Guo, Haitao Huang, Xiaodong Liu, Pei Sun. P‐8.6: Research on Multifunctional Integrated Diffusion Plate in Backlight System [J]. SID Symposium Digest of Technical Papers, 2019, 50: 846–847.
[15] Naijun Chen, Zelong Bai, Zengmin Wang, Honglei Ji, Ruikuo Liu, Chaowei Cao, Hui Wang, Feng Jiang, Haizheng Zhong. P‐119: Low Cost Perovskite Quantum Dots Film Based Wide Color Gamut Backlight Unit for LCD TVs [J]. SID Symposium Digest of Technical Papers, 2018, 49(1): 1657–1659.
🛡️ List of Patents by Dr. Honglei Ji
Applied for 11 patents as first inventor and participated in 65 patent applications.
[1] Li Pengfei, Xu Huaishu, Ji Honglei, Chen Xijun. Display Module, Display Device and Method for Determining Primary Colors [P]. CN111948850A, November 17, 2020.
[2] Ji Honglei, Xu Huaishu, Chen Xijun. Quantum Dot Film, Backlight Module and Display Device [P]. CN112130379A, December 25, 2020.
[3] Ji Honglei, Deng Tianying. Quantum Layer, Display Screen, Backlight Module and Display Device [P]. CN212255948U, December 29, 2020.
[4] Ji Honglei, Li Zelong, Chen Xijun. A Backlight Module and a Display Device [P]. CN112164743A, January 1, 2021.
[5] Ji Honglei, Deng Tianying, Chen Xijun. Backlight Module and Display Device [P]. CN212846261U, March 30, 2021.
[6] Xu Huaishu, Ji Honglei, Chen Xijun. Optical Film, Backlight Module and Display Device [P]. CN212846283U, March 30, 2021.
[7] Li Zelong, Ji Honglei, Chen Xijun. Light Source Structure and Backlight Module [P]. CN212848400U, March 30, 2021.
[8] Ji Honglei, Fu Wenjing, Li Zelong. An LED Light Source, Backlight Module and Its Display Device [P]. CN212967696U, April 13, 2021.
[9] Deng Tianying, Chen Xijun, Ji Honglei. An Optical Film, Backlight Module and Display Device [P]. CN213240572U, May 18, 2021.
[10] Li Zelong, Chen Xijun, Ji Honglei, Fu Wenjing. A Backlight Module and Its Display Device [P]. CN213240751U, May 18, 2021.
[11] Li Zelong, Ji Honglei, Chen Xijun. A Backlight Module and Its Display Device [P]. CN213240753U, May 18, 2021.
[12] Li Pengfei, Xu Huaishu, Ji Honglei, Chen Xijun. A Method for Manufacturing a Backlight Architecture and a Method for Manufacturing a Display Device [P]. CN112908976A, June 4, 2021.
[13] Li Zelong, Wang Daiqing, Qiang Kewen, Ji Honglei. A Quantum Dot LED and Its Preparation Method [P]. CN112909147A, June 4, 2021.
[14] Yao Lixiao, Ji Honglei, Chen Xijun. A Light-Emitting Structure, Backlight Structure [P]. CN213458775U, June 15, 2021.
[15] Li Zelong, Ji Honglei, Chen Xijun, Fu Wenjing. A Polarization Chip, Backlight Module and Display Device [P]. CN112987385A, June 18, 2021.
[16] Ji Honglei, Deng Tianying, Qiang Kewen, Chen Xijun. Backlight Module, Light-Guide Plate and Its Preparation Method of Conductive Hydrogel [P]. CN111367007B, July 6, 2021.
[17] Chen Xijun, Li Zelong, Ji Honglei. Flip-Chip, Lamp Bead, Backlight Module and Display [P]. CN213634057U, July 6, 2021.
[18] Li Pengfei, Xu Huaishu, Ji Honglei, Chen Xijun. Testing Device for Quantum Dot Products and Testing Method for Quantum Dot Products [P]. CN113092418A, July 9, 2021.
[19] Song Qinghuan, Wang Daiqing, Chen Xijun, Ji Honglei, Guo Junqiu. Brightness-Enhancement Film [P]. CN113253371A, August 13, 2021.
[20] Song Qinghuan, Xu Huaishu, Deng Tianying, Ji Honglei, Chen Xijun. Display Device [P]. CN113296312A, August 24, 2021.
[21] Li Pengfei, Xu Huaishu, Ji Honglei, Chen Xijun. A Backlight Module and a Liquid Crystal Display Panel [P]. CN113296313A, August 24, 2021.
[22] Li Zelong, Ji Honglei, Chen Xijun. A Pixel Structure and a Display Screen [P]. CN214043661U, August 24, 2021.
[23] Li Zelong, Pan Jun, Qiang Kewen, Ji Honglei. A Backlight Module [P]. CN110687716A, January 14, 2020.
[24] Li Zelong, Ji Honglei, Qiang Kewen, Wang Daiqing. LED, Display Module and Display Device [P]. CN210606460U, May 22, 2020.
[25] Li Zelong, Wang Daiqing, Qiang Kewen, Ji Honglei. Light Source Structure, Backlight Module and Display Device [P]. CN210605279U, May 22, 2020.
[26] Li Zelong, Wang Daiqing, Qiang Kewen, Ji Honglei. LED Array and LED Display Screen [P]. CN111244075A, June 5, 2020.
[27] Li Zelong, Wang Daiqing, Qiang Kewen, Ji Honglei. LED Array and LED Display Screen [P]. CN111244245A, June 5, 2020.
[28] Xu Huaishu, Ji Honglei, Qiang Kewen. An Optical Film Structure and Its Liquid Crystal Module [P]. CN210835508U, June 23, 2020.
[29] Li Zelong, Wang Daiqing, Qiang Kewen, Ji Honglei. Liquid Crystal Display Backlight Module and Its Diffuser Plate Manufacturing Method [P]. CN111323963A, June 23, 2020.
