Researching | Research on Heat Dissipation Technology of Highly Reliable High‑brightness Display

Optoelectronic Technology, Volume. 42, Issue 3, 235(2022)

Research on Heat Dissipation Technology of Highly Reliable High‑brightness Display

Huiyan LIU^1,2, Qingmu TIE³, Zheng WANG^1,2, Xiaoyun ZHANG^1,2, Chen SHENG^1,2, and Bin YANG^1,2

Author Affiliations

¹The 55th Research Institute of China Electronic Technology Group Corporation ,Nanjing 2006,CHN

²National Flat Panel Display Engineering Research Center,Nanjing 10016,CHN

³National Pilot School of Software, Yunnan University, Kunming 650504,CHN

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Figures & Tables(12)

Fig. 1. Thermal design model of display

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Fig. 2. Cold ways

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Fig. 3. LED light source component design

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Fig. 4. Radiating fin shape

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Fig. 5. Thermal simulation diagram at 23 ℃

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Fig. 6. Thermal simulation diagram at 55 ℃

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Fig. 7. Iterative calculation curves at 23 ℃

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Fig. 8. Iterative calculation curves at 55 ℃

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Fig. 9. Air flow trajectory diagram at 23 ℃

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Fig. 10. Air flow trajectory diagram at 55 ℃

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Fig. 11. Temperature field change graph

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Table 1. Parameters of temperature‑sensitive components for high‑brightness display

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Table 1. Parameters of temperature‑sensitive components for high‑brightness display

元器件名称	工作温度范围/（℃）	最高工作温度降额值/（℃）	芯片到周围环境热阻系数θ_JA/(℃·W^-1)
LED	-40~+125	+105	19
LED驱动器	-40~+120	+105	43
电源模块	-40~+125	+100	17~18
FPGA	-55~+125	+100	25

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Huiyan LIU, Qingmu TIE, Zheng WANG, Xiaoyun ZHANG, Chen SHENG, Bin YANG. Research on Heat Dissipation Technology of Highly Reliable High‑brightness Display[J]. Optoelectronic Technology, 2022, 42(3): 235

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Paper Information

Category: Study Report

Received: Feb. 24, 2022

Accepted: --

Published Online: Dec. 23, 2022

The Author Email:

DOI:10.19453/j.cnki.1005-488x.2022.03.014

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