Researching | A Temperature Feedback PWM Circuit Design for Silicon‑based OLED Driving Chip

Optoelectronic Technology, Volume. 42, Issue 1, 36(2022)

A Temperature Feedback PWM Circuit Design for Silicon‑based OLED Driving Chip

Wei QIU^1,2, Changbing QIN^1,2, Huicheng ZHU^1,2, Tingting XU^1,2, and Baixue ZHANG^1,2

Author Affiliations

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

²Nanjing Guozhao Photoelectric Technology Co., Ltd., Nanjing 11100, CHN

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Figures&Tables (6)

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Figures & Tables(6)

Fig. 1. Gray-scale characteristic curves under different V_com voltages

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Fig. 2. Diagram of V_com PWM sequence

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Fig. 3. Modulation function linear fitting plot

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Fig. 4. Structural diagram of temperature feedback PWM circuit

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Fig. 5. Test results of OLED screen brightness at different temperatures

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Fig. 6. Grayscale test curves at different temperatures

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Wei QIU, Changbing QIN, Huicheng ZHU, Tingting XU, Baixue ZHANG. A Temperature Feedback PWM Circuit Design for Silicon‑based OLED Driving Chip[J]. Optoelectronic Technology, 2022, 42(1): 36

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Paper Information

Category: Research and Trial-manufacture

Received: Aug. 25, 2021

Accepted: --

Published Online: Aug. 3, 2022

The Author Email:

DOI:10.19453/j.cnki.1005-488x.2022.01.008

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology