Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Samsung Mobile Display Co., Ltd.

Kyungpook National University Industry-Academic Cooperation Foundation

Hae-Yeon Lee

Bo-Yong Chung

Yong-Jae Kim

Young-In Hwang

Baek-Woon Lee

Jin-Gon Oh

Jung-Bae Kim

Keum-Nam Kim

Jae-Beom Choi

Su Jin Kim

Hyun-Chol Bang

Hai-Jung In

June-Woo Lee

Moo Soon Ko

Se Wan Son

Chul-Kyu Kang

Tak-Young Lee

Nak Cho Choi

Bong Won Lee

Wang-Jo Lee

Jin Goo Jung

Kyung Hyun Choi

Dong Hyun Son

Sang Hoon Oh

Seong Min Cho

Dong-Gyu Kim

Jong-Hyun Choi

Kwan-Wook Jung

Yong-Sung Park

Na-Young Kim

Bo Yong Chung

Deok-Young Choi

Yong Sung Park

Yong Ho Yang

Jae-Hwan Oh

Deuk Jong Kim

Kyung-Hoon Chung

Chun-Seok Ko

Guang Hai Jin

Ji-Hye Eom

Seong-Il Park

Seong-Jun Kim

Jeong-Keun Ahn

Dong-Beom Lee

Ji Hye Kong

Won Kyu Lee

Young-Gu Ju

Hyun Tae Kim

A display device according to an exemplary embodiment includes: a substrate including a display area and a transmission area; a metal blocking layer disposed in the display area of the substrate; an inorganic insulating layer disposed on the metal blocking film; a transistor disposed on the inorganic insulating layer; an emission layer connected to the transistor; and a light blocking layer and a color filter disposed on the emission layer of the display area, wherein the edge of the light blocking layer is protruded toward the transmission area more than the edge of the metal blocking layer.

Display device including light blocking layer, metal blocking layer, and inorganic insulating layer

An emissive display device includes a polycrystalline semiconductor including a channel, source region, and drain region of a driving transistor disposed on a substrate. The device includes a gate electrode of the driving transistor overlapping the channel of the driving transistor, an oxide semiconductor including a channel, a source region, and a drain region of a second transistor disposed on the substrate, and a first connection electrode. The first connection electrode includes a first connector electrically connected to the gate electrode of the driving transistor, a second connector electrically connected to a second electrode of the second transistor, and a main body disposed between the first connector and the second connector. The device includes an initialization voltage line disposed on the substrate and applying an initialization voltage. The initialization voltage line surrounds at least a part of the second connector of the first connection electrode.

Emissive display device having reduced stains and crosstalk

Display device

Emissive display device

A static electricity prevention circuit of a display device including: a driving circuit configured to drive a display unit that displays an image, at least one clock signal wire configured to transmit a clock signal to the driving circuit, at least one transistor electrically coupled to the clock signal wire, and at least one capacitor including a first electrode coupled to a source electrode and to a drain electrode of the transistor, and a second electrode configured to be maintained at a voltage.

Circuit for preventing static electricity and display device having the same

A stage includes an output unit configured to supply a scan signal to an output terminal according to voltages of first and second nodes; a first driver configured to control the voltages of the first and second nodes so that when a start signal or an output signal of a previous stage is supplied to a first input terminal, the scan signal is supplied from the output unit; and a second driver configured to control the voltages of the first and second nodes, corresponding to signals supplied to a second input terminal, a fourth input terminal and a fifth input terminal, wherein the second driver comprises eighth and ninth transistors coupled in series between the output terminal and the second node, and wherein a gate electrode of the eighth transistor is coupled to the first node, and a gate electrode of the ninth transistor is coupled to the fourth input terminal.

Stage and organic light emitting display device using the same

An emission driver and a display device having the same are disclosed. In one aspect, the emission driver includes a plurality of stages each configured to output an emission control signal, wherein each of the stages includes first and second driving blocks and a buffer block. The buffer block is configured to selectively output an emission control signal so as to operate in a sequential emission mode or in a simultaneous emission mode, the stages being configured to sequentially output a plurality of the emission control signals in the sequential emission mode and substantially simultaneously output the emission control signals in the simultaneous emission mode. The buffer block is further configured to determine a duration in which the emission control signal has a first voltage level based on an interval between time points when first and second intermediate signals have low voltage levels.

Emission driver and display device including the same

A scanline driver includes a shift register circuit and an output buffer. The shift register circuit provides a register output signal and a plurality of signals based on a scan input signal and a plurality of clock signals. The shift register circuit is arranged at at least one horizontal side of a pixel circuit region and includes a plurality of unit pixel circuits connected to a scanline. The output buffer provides a scanline enable signal to the scanline based on the register output signal and the plurality of signals. The output buffer is arranged at at least one vertical side of the pixel circuit region in a pixel array.

Scanline driver and display device including the same

An organic light emitting diode display including: a substrate; a plurality of first signal lines on the substrate extending in a first direction; a first insulating layer covering the substrate and the first signal lines; a plurality of auxiliary signal lines formed on the first insulating layer and overlapping the first signal lines; a second insulating layer covering the auxiliary signal lines; a plurality of first signal line connecting members formed on the second insulating layer while overlapping parts of the auxiliary signal lines; a plurality of second signal lines crossing the first signal lines; a plurality of switching transistors and a plurality of driving transistors connected with the first signal lines and the second signal lines; and a plurality of organic light emitting diodes electrically connected to the driving transistors, where the first signal line connecting members connect the first signal lines to the auxiliary signal lines.

Organic light emitting diode display and manufacturing method thereof

A scan line driver is disclosed. In one aspect, the scan line driver includes a driving signal generation circuit, an output line driving circuit, and a carry transfer circuit. The driving signal generation circuit is configured to generate first and second driving signals based on a plurality of clock signals and a carry signal from a previous scan line driver. The output line driving circuit is configured to generate a scan line enable signal based on the first and second driving signals. The carry transfer circuit is configured to generate a carry signal based on the first and second driving signals.

Scan line driver

A gate driver and a display device having the same are disclosed. In one aspect, the gate driver includes a plurality of stages configured to respectively output a plurality of gate output signals. An N-th stage includes a first input circuit configured to boost a first input signal to a first signal and transmit the first input signal to a first node. A second input circuit is configured to boost the first input signal to a second signal and transmit the fifth clock signal and a first direct current (DC) voltage to a second node. A stabilizing circuit is configured to boost a second input signal to a third signal, boost a second node signal to a fourth signal, and stabilize a first node signal. An initializing circuit is configured to initialize voltages at the first and second nodes and the first to fourth signals.

Gate driver and display device having the same

A scan driver includes a plurality of stages arranged sequentially and configured to respectively output a scan signal; and a switching unit configured to receive a plurality of clock signals, to select clock signals of the plurality of clock signals according to a selection control signal, and to input the selected clock signals to the plurality of stages.

Scan driver and driving method thereof

Growing community of inventors

Yongin, South Korea

Hae-Yeon Lee