16.2: A Parallel Digital‐Data‐Driver Architecture for Low‐Power Poly‐Si TFT‐LCDs

Haga, Hiroshi; Tsuchi, Hiroshi; Abe, Katsumi; Ikeda, Naoyasu; Asada, Hideki; Hayama, Hiroshi; Shiota, K.; Takada, N.

doi:10.1889/1.1830876

Cited by 13 publications

(8 citation statements)

References 4 publications

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“…SOG displays that integrate a gate driver circuit and a data driver circuit which is composed of 6-bit digital-to-analog converters (DACs), as well as DC-DC converters, have been created to date [1][2][3] .…”

Section: Introductionmentioning

confidence: 99%

46.3: DRAM‐Frame‐Memory Embedded SOG‐LCD

Haga

Nonaka

Kamon

et al. 2007

Symp Digest of Tech Papers

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Section: Introductionmentioning

confidence: 99%

46.3: DRAM‐Frame‐Memory Embedded SOG‐LCD

Haga

Nonaka

Kamon

et al. 2007

Symp Digest of Tech Papers

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“…Active-matrix LCDs (AMLCDs) and active-matrix OLEDs (AMOLEDs) integrated with data drivers with six-bit/color or higher resolution have been developed. [1][2][3] The data driver is the major peripheral circuit. In the cases where a six-bit data driver was integrated, the need for a six-bit digital-to-analog converter (DAC) per output led to a greatly increased circuit area.…”

Section: Introductionmentioning

confidence: 99%

Compact and power‐saving polysilicon data driver with common‐decoder DA converter (CD‐DAC)

Kageyama¹,

Miyamoto²,

Akimoto³

et al. 2006

J Soc Info Display

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A common-decoder architecture for a data-driver circuit fabricated by using a polysilicon process has been developed. The architecture achieves a compact circuit and low-power consumption. In application to an integrated polysilicon data driver for small-sized displays, this architecture reduces the area of the data driver by removing the vertical bus lines that occupy a large area. It also suppresses the power consumption of the data bus by reducing the number of driven lines in the data bus during word-to-word transitions from six to two. By using a conventional 4-µm design rule, we fabricated an active-matrix OLED (AMOLED) panel with an integrated six-bit data-driver circuit with 384 outputs. The driver circuit had a height of 2.6 mm and a pitch between output lines of 84 µm. The maximum power consumption of the driver was only 5 mW, i.e., 3.8 mW for logic-data transfer and 1.2 mW for reference-voltage source. Furthermore, we also fabricated an active-matrix LCD (AMLCD) panel including driver circuits of the same type as the integrated elements. Six-bit full-color images were successfully displayed on both panels.

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“…Recently, low temperature poly-Si (LTPS) integration of the pixel elements and peripheral driver in the active matrix displays such as AMLCD and AMOLED has attracted a considerable attention [1]. P-type low temperature poly-Si TFT circuits are widely considered for panel integration because a PMOS process is less expensive than a CMOS process [2][3].…”

Section: Introductionmentioning

confidence: 99%

21.2: A Low-Voltage P-type Poly-Si Integrated Driving Circuits for Active Matrix Display

Nam

Jung

Lee

et al. 2005

SID Symposium Digest

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A low power poly-Si gate and data driver circuits employing ptype low temperature poly-Si (LTPS) TFTs are proposed and verified by simulation and measurement. We have designed a 5V driven p-type level-shifter and it achieves a wide range output of  8~10V. A new p-type latch employing complementary clock compensation is proposed and the latch stores the low voltage (5V) data bits (D and D') without an output voltage loss. A simple and new source-follower type poly-Si analog buffer with fast charging is also designed and measured. P-type poly-Si fully integrated circuits on glass substrates may provide cost benefits and improve panel reliability.

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16.2: A Parallel Digital‐Data‐Driver Architecture for Low‐Power Poly‐Si TFT‐LCDs

Cited by 13 publications

References 4 publications

46.3: DRAM‐Frame‐Memory Embedded SOG‐LCD

46.3: DRAM‐Frame‐Memory Embedded SOG‐LCD

Compact and power‐saving polysilicon data driver with common‐decoder DA converter (CD‐DAC)

21.2: A Low-Voltage P-type Poly-Si Integrated Driving Circuits for Active Matrix Display

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