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Novel 5T1C pixel circuit for high-ppi AMOLED displays with n-channel LTPS TFTs
- Authors
- Chung, Hoon-Ju
- Issue Date
- 2019
- Publisher
- TAYLOR & FRANCIS LTD
- Keywords
- N-channel TFT; high-ppi AMOLED; OLED pixel circuit
- Citation
- JOURNAL OF INFORMATION DISPLAY, v.20, no.1, pp 39 - 43
- Pages
- 5
- Journal Title
- JOURNAL OF INFORMATION DISPLAY
- Volume
- 20
- Number
- 1
- Start Page
- 39
- End Page
- 43
- ISSN
- 1598-0316
2158-1606
- Abstract
- This paper proposes a novel 5T1C pixel circuit to compensate for the threshold voltage variation of n-channel LTPS TFTs for high-ppi AMOLEDs. SmartSpice simulation is used to evaluate the compensation capability of the proposed pixel circuit, and layout is performed to check the pixel density in 1 inch. The simulation results show that the proposed pixel circuit can compensate for the threshold voltage variation of n-channel poly-Si TFTs, and the layout confirms that the proposed pixel circuit can be integrated into upto564-ppi AMOLED displays.
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