Digital 16-tube silicon-based liquid crystal display chip pixel circuit and its driving method
A silicon-based liquid crystal and display chip technology, applied in static indicators, instruments, etc., can solve problems such as unsatisfactory transient characteristics and threshold voltage loss, reduce the difficulty of manufacturing process, avoid leakage problems, and realize the effect of AC drive
Active Publication Date: 2021-02-02
NANKAI UNIV
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Problems solved by technology
However, when a single NMOS tube transmits a high level, not only the threshold voltage loss, but also the transient characteristics of the transmission process are not ideal (Chen Guican et al., "CMOS Integrated Circuit Design", Xi'an Jiaotong University Press, 1999.9, P110)
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[0051] Attached below figure 1 The technology of the present invention is described in further detail:
[0052] A digital 16-tube silicon-based liquid crystal display chip pixel circuit of the present invention is mainly composed of the first-NMOS tube 4, the second-NMOS tube 9, the second-PMOS tube 77, the third-NMOS tube 15, the third-PMOS tube Tube 72, 4th-NMOS tube 17, 5th-NMOS tube 35, 5th-PMOS tube 22, 6th-NMOS tube 27, 6th-PMOS tube 62, 7th-NMOS tube 31, 7th-PMOS tube 56. The 8th-NMOS transistor 66, the 9th-NMOS transistor 52, the 10th-PMOS transistor 48 and the 10th-NMOS transistor 41, and especially the 1st-NMOS transistor 4, the 2nd-NMOS transistor 9, The 2nd-PMOS transistor 77, the 3rd-NMOS transistor 15, the 3rd-PMOS transistor 72, the 4th-NMOS transistor 17, the 5th-NMOS transistor 35, the 5th-PMOS transistor 22, the 6th-NMOS transistor 27, the The 6-PMOS transistor 62, the 7th-NMOS transistor 31, the 7th-PMOS transistor 56, the 8th-NMOS transistor 66, and the 9...
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The present invention proposes a digital 16-tube silicon-based liquid crystal display chip pixel circuit and its driving method, which relates to the application field of silicon-based display system integrated circuits in microelectronics science and technology, including the first latch mainly composed of 16 MOS transistors Device, the second latch, level inversion gate, level conversion gate, and form an electrical series structure. These MOS tubes only work in the switch state, which conforms to the digital circuit specification, thus greatly reducing the difficulty of the MOS device manufacturing process, and also avoiding the leakage problem caused by the use of capacitors; It is divided into positive electric field and negative electric field, which not only realizes the AC driving of the liquid crystal material, but also makes the power supply voltage value of the pixel circuit not lower than the working voltage of the liquid crystal material.
Description
technical field [0001] The invention belongs to the application field of silicon-based display system integrated circuits of microelectronic science and technology, and in particular relates to a digital silicon-based liquid crystal display chip pixel circuit field. Background technique [0002] Monocrystalline silicon planar device manufacturing technology is integrated with liquid crystal (LCD, Liquid Crystal Display) technology, organic light-emitting diode (OLED, Organic Light-Emitting Diode) technology and other active or passive display technologies to produce various silicon-based displays. For example, the silicon-liquid crystal-glass "sandwich" structural device technology combined with liquid crystal display technology produces a new type of reflective LCD display device. It first uses metal oxide semiconductors (metal oxide semiconductors) on single crystal silicon wafers. MOS (Metal Oxide Semiconductor) process to manufacture a silicon substrate containing an act...
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IPC IPC(8): G09G3/36
CPCG09G3/36
Inventor 代永平
Owner NANKAI UNIV