Samsung Electronics Co., Ltd.

Ju-hyun Ko

Jung-Chak Ahn

Seon-Ju Lee

Yun-Seung Shin

Jong-Jin Lee

Han Vit Yang

Kwang-Hyun Lee

Kyoung-Min Koh

Yongjoo Song

Jun-ho Song

Jae-Cheol Yun

Young-jae Ryu

Jin-woo Kim

Yong-Joo Song

Pan-soo Kim

Seong-won Jo

Hwa-youn Suh

Jin-chul Choi

Beop-hee Kim

A source driver includes an interpolation amplifier configured to generate an interpolation voltage based on a received plurality of input voltages and output the interpolation voltage to a display panel; and an input selector configured to receive a first voltage and a second voltage having a different level from the first voltage, and configured to selectively provide at least one of the first and second voltages as the plurality of input voltages in response to some of the lower bits of pixel data. The interpolation amplifier includes four conductive differential input pairs configured to receive four input voltages from among the plurality of input voltages, respectively. Each of the first differential input pair and third differential input pair comprises a first type transistor. Each of the second differential input pair and fourth differential input pair comprises a second type transistor.

Interpolation amplifier and source driver including the same

An image sensor includes a pixel array in which a plurality of pixels, first and second row selection lines separated from each other, and first and second column lines separated from each other are disposed and a column selecting circuit configured to connect the first and second column lines using a column selection signal. The pixel array includes a first pixel which is connected to the first row selection line and the first column line and a second pixel which is disposed in the same row as the first pixel and connected to the second row selection line and the second column line.

Image sensor having multiple operation modes

A source driver includes a buffer device including a plurality of buffers corresponding to a plurality of data lines, each of the plurality of buffers respectively including an amplifier configured to amplify an input signal and an output driver configured to output a driving signal to a corresponding data line among the plurality of data lines; and a switch device including a charge sharing switch configured to electrically connect the plurality of data lines to one another during a charge sharing operation, each of the amplifiers including a first current mirror having a reference current path including a first node and an output current path including a second node, and the first node of the reference current path and the second node of the output current path are electrically connected to each other during the charge sharing operation.

Source driver including output buffer, display driving circuit, and operating method of source driver

A complementary metal-oxide-semiconductor (CMOS) image sensor (CIS) includes a semiconductor substrate including a photodiode therein as a light sensing unit. A floating diffusion region of a first conductivity type is provided in the semiconductor substrate, and is configured to receive charges generated in the photodiode. A power supply voltage region of the first conductivity type is also provided in the semiconductor substrate. A reset transistor including a reset gate electrode on a surface of the substrate between the floating diffusion region and a power supply voltage region is configured to discharge charges stored in the floating diffusion region in response to a reset control signal. The reset transistor includes a channel region in the substrate extending between the floating diffusion region and the power supply voltage region such that the floating diffusion region and the power supply voltage regions define source/drain regions for the reset transistor. An impurity region is provided in a first portion of the channel region adjacent to the floating diffusion region. The impurity region has a doping such that the first portion of the channel region adjacent to the floating diffusion region has a different built-in potential than a second portion of the channel region adjacent to the power supply voltage region.

CMOS image sensor configured to provide reduced leakage current

An apparatus and method for providing multimedia contents is provided. The apparatus includes an analyzing unit that analyzes a quantity ratio corresponding to a type of first multimedia content included in an album, a mood code generating unit that generates a mood code corresponding to the quantity ratio as the analyzed result, a content abstracting unit that abstracts a list of second multimedia content corresponding to the generated mood code, and a sending/receiving unit that sends at least one of the list and the second multimedia content included in the list.

Apparatus and method of providing multimedia content

A digital-to-analog converter outputting an analog data voltage corresponding to n-bit data, includes a chopping amplification unit adapted to receive an upper bit voltage corresponding to upper x bits of the n-bit data and a lower bit voltage corresponding to lower y bits of the n-bit data and to output the analog data voltage. The chopping amplification unit may include a sample and hold capacitor adapted to be charged with the upper bit voltage in a non-inverting mode, and a chopping amplifier adapted to supply the upper bit voltage to the sample and hold capacitor in the non-inverting mode and adapted to output a voltage corresponding to the sum of the upper bit voltage and the lower bit voltage as the analog data voltage in an inverting mode.

Digital-to-analog converter, display panel driver having the same, and digital-to-analog converting method

Growing community of inventors

Yongin-si, South Korea

Ju-hyun Ko