Samsung Display Co., Ltd.

Samsung Displayco., Ltd.

Whee-Won Lee

Jae-Hoon Lee

Jun-Yong Song

Young-Su Kim

Seung-Hwan Moon

Yu-Han Bae

Chang-Ho Lee

Boyeon Kim

Yong-Soon Lee

Jae-Han Lee

Wontae Kim

Myeongsu Kim

Ga-Na Kim

Jae Hoon Lee

Sang Hyun Lee

Myeong Su Kim

Bonghyun You

Jaewon Lee

Dong-Won Park

Po-Yun Park

Jung-Hwan Cho

Junpyo Lee

Jung Hwan Cho

Jimyoung Seo

Duc-Han Cho

Sang-Gon Lee

JiYoung Eom

Subin Park

Ji Young Eom

Yong-Sik Hwang

You-Mee Hyun

Ji-Young Eom

A flexible circuit film includes the following elements: a base film; a first power input terminal, a second power input terminal, a first power output terminal, and a second power output terminal each disposed on the base film; an integrated circuit chip disposed between the first power input terminal and the first power output terminal and overlapping the base film; first power wiring disposed on the base film, connecting the first power input terminal to the first power output terminal, and including a first connection part; and second power wiring disposed on the base film, connecting the second power input terminal to the second power output terminal, and including a second connection part. The first connection part and the second connection part are disposed between the base film and the integrated circuit chip, overlap the integrated circuit chip, and are spaced from each other.

Flexible circuit film having a power wiring set and display apparatus having same

A display panel includes an amorphous silicon gate driver in which a lower voltage than the gate-off voltage output from the gate driver is applied to an adjacent stage as a low voltage transmission signal.

Display panel

A display device includes a display panel including an edge extending along a first direction, a main circuit board adjacent to the edge of the display panel, and a connection circuit board which connects the main circuit board to the display panel at the edge thereof. The connection circuit board includes a plurality of board side pads which are arranged along the first direction and at which the connection circuit board is connected to the main circuit board. Each of the plurality of board side pads includes a first pad, and a second pad adjacent to the first pad along the first direction. The second pad includes a plurality of signal pads which are arranged along a second direction which crosses the first direction and are each aligned with the first pad along the first direction.

Display device and connection circuit board

A display device includes a display panel, a main circuit board including a plurality of board pads arranged along a first direction, a connection circuit board electrically connected to the display panel and the main circuit board, and a driving chip disposed on the connection circuit board. The connection circuit board includes a plurality of board connection pads respectively connected to a plurality of board pads, a plurality of lines connecting the driving chip to the plurality of board connection pads to each other, and a test pattern disposed spaced part from the driving chip, where a first line and a second line among the lines are electrically connected to the test pattern, and a same voltage is applied to the first line and the second line.

Display device and pad contact test method thereof

Flexible circuit film including power wiring and display apparatus including flexible circuit film

Display panel having a gate driver integrated therein

A data driver includes a plurality of amplifiers configured to output a plurality of data voltages to a plurality of data lines. The amplifiers are configured to output the data voltages to the corresponding data lines in a writing mode. Only one of the plurality of amplifiers is configured to output a sensing data voltage to the plurality of data lines in a sensing mode.

Data driver, display apparatus including the same and method of sensing threshold voltage of pixel using the same

A data transmitting system includes a transmitter configured to transmit first unit data having a first bit length and second unit data sequentially with the first unit data and having the first bit length and a receiver configured to receive the first unit data and the second unit data. The transmitter is configured to transmit the second unit data to the receiver when a last bit of the first unit data and a first bit of the second unit data have different values and to invert the first bit of the second unit data and transmit the second unit data having the inverted first bit to the receiver when the last bit of the first unit data and the first bit of the second unit data have the same value.

Data transmitting system and display apparatus having the same and method of transmitting data using the same

A display device includes: pixels; gate lines for connecting to the pixels; a first gate driving block for connecting to first and second gate lines that are adjacent to each other; and a second gate driving block for connecting to the first gate line and the second gate line, wherein the first gate driving block includes: a first gate signal generating portion; a first transistor connected between a first output terminal of the first gate signal generating portion and the first gate line; and a second transistor connected between the first output terminal and the second gate line, wherein the second gate driving block includes: a second gate signal generating portion; a third transistor connected between a second output terminal of the second gate signal generating portion and the first gate line; and a fourth transistor connected between the second output terminal and the second gate line.

Display device

A gate driving circuit includes a pull-up control part for applying a first previous carry signal to a first node in response to the first previous carry signal, a first pull-up part outputting a clock signal as an N-th gate output signal in response to a signal applied to the first node, a second pull-up part outputting the clock signal as the N-th gate output signal in response to the signal applied to the first node, a carry part outputting the clock signal as an N-th carry signal in response to the signal applied to the first node, a first pull-down part pulling down the signal at the first node to a second off voltage, and a second pull-down part pulling down the N-th gate output signal to a first off voltage, wherein one of the first pull-up part and the second pull-up part is selectively activated.

Gate driving circuit and display apparatus having the same

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Busan, South Korea

Whee-Won Lee