Buffer operational amplifier with self-offset compensator and embedded segmented DAC for improved linearity LCD driver

YC Peng, WS Chou, CH Chang, C Wan-Te - US Patent 8,476,971, 2013 - Google Patents
SUMMARY OF THE INVENTION A driver includes a digital-to-analog converter (DAC) hav
ing a digital input representing an input Voltage between first and second analog Voltage …

Source driver, display device with the same and driving method thereof

JY Noh, JH Yang, KD Woo - US Patent 10,217,393, 2019 - Google Patents
(57) ABSTRACT A display device includes: a display panel including pixels arranged in a
matrix shape; and a source driver to apply data voltages to the pixels. The source driver …

Circuit, semiconductor device, display device, electronic device, and driving method of circuit

K Takahashi, H Miyake - US Patent 10,957,237, 2021 - Google Patents
A semiconductor device with lower power consumption or a display device including the
semiconductor device is provided. A circuit to which an N-bit signal is input includes a first …

Voltage summing buffer, digital-to-analog converter and source driver of display device including the same

KD Kim - US Patent 9,001,092, 2015 - Google Patents
(57) ABSTRACT A digital-to-analog converter includes a first decoder, a sec ond decoder
and a voltage summing buffer. The first decoder receives upper bits of a digital signal and …

Semiconductor device, display panel, display device, input/output device, and data processing device

K Takahashi - US Patent 10,395,609, 2019 - Google Patents
To provide a novel semiconductor device with high conve nience or high reliability. The
semiconductor device includes a D/A converter circuit and an amplifier including an …

Semiconductor device, display panel, and electronic device

K Takahashi - US Patent 10,360,855, 2019 - Google Patents
(57) ABSTRACT A semiconductor device having a novel structure is pro vided. Fluctuation in
the grayscale voltage due to an offset voltage is suppressed. When a current corresponding …

Integrated circuit device and electronic instrument

M Nishimura - US Patent 7,973,686, 2011 - Google Patents
An integrated circuit device includes a plurality of data line driver circuits, a first correction
D/A conversion circuit, and a plurality of D/A conversion circuits. Each of the data line driver …

Display driving circuit

YK Chang, KC Chang, MD Chiang - US Patent App. 14/822,422, 2017 - Google Patents
The invention is related to a display driving circuit. The sets of display reference Voltage
generating circuits can be reduced while keeping the function of independently adjusting the …

Semiconductor device, display panel, and electronic device

K Takahashi - US Patent 10,325,542, 2019 - Google Patents
A grayscale voltage generator circuit that is less likely to be influenced by the offset voltage
is provided. The grayscale voltage generator circuit is a semiconductor device that includes …

Digital to analog converter circuits and methods

S Cyrusian - US Patent 8,570,199, 2013 - Google Patents
The present disclosure provides for improved DAC circuits and methods. In one
embodiment, a digital-to-analog con Verter receives a digital signal and outputs a first …