Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Doosan Heavy Industries & Construction Co., Ltd

Samsung Displayco., Ltd.

Young Wan Seo

Chong Chul Chai

Jun Hyun Park

Jae Keun Lim

Ji-Sun Kim

Jong Hee Kim

Kang Moon Jo

Cheol Gon Lee

Ji Sun Kim

Yeong-Keun Kwon

An Su Lee

Yu Jin Lee

Hyeong Seok Kim

Soo-wan Yoon

Baek Hwan Cho

Dong Hyun Kim

Bo Yong Chung

Seung Chan Lee

Min Kyu Woo

Yang Hwa Choi

Sun Kwang Kim

Paul Barom Jeon

Eun Seok Choi

Dong Wook Han

Jin Hyuk Hong

Se Jung Whang

Kang Il Chung

Keun Woo Park

Mee Hye Jung

Cheol-Gon Lee

Jong Min Choi

Won Sik Oh

Eric Hyunsurk Ryu

Yong Hwan Lee

Young Soo Yoon

Dong Kyu Lee

Hae Min Kim

Geun Ho Lee

Jaehoon Cho

Bon Yong Koo

Jong Hyuck Kim

Young Sang Choi

Chong Chui Chai

Ho Sub Lee

Jin-Man Park

Seong Yeol Yang

Ji Won Moon

Jee Min Kim

Ho Jin Jang

Seung Take Oh

Seock Moon Yoon

Jee Soo Kim

So Il Yoon

Yeong Keun Kwon

A display device comprises a plurality of pixels arranged in a display area of a display panel, a test switching element area formed in a non-display area or a sub-area of the display panel and including a plurality of test switching elements, and a display driving circuit controlling supply timings of data voltages and driving control signals supplied to the plurality of pixels, wherein the display driving circuit controls turn-off switching operations of the plurality of test switching elements so that the plurality of test switching elements are maintained in a turn-off state during an image display period.

Display device

A scan driver includes stages which sequentially output scan signals to scan signal lines during an active period of an N-th frame, and at least one of the stages includes an output node controller that supplies a gate-on voltage to a pull-up node in response to a gate control signal of a display driver; and an output controller that outputs a scan signal to a scan signal line by outputting a scan clock signal to a scan signal line in case that the gate-on voltage is supplied to the pull-up node, wherein the output node controller includes a thin-film transistor including a first active layer, and directly or indirectly connected to the pull-up node, and another thin-film transistor including a second active layer including an oxide semiconductor material different from a oxide semiconductor material of the first active layer, and directly connected to the pull-up node.

Scan driver and display device including the same

A scan driver includes stages which sequentially output scan signals to scan signal lines during an active period of an N-th frame, and at least one of the stages includes an output node controller that supplies a gate-on voltage to a pull-up node in response to a gate control signal of a display driver, and an output controller that supplies a scan signal to a scan signal line by outputting a scan clock signal, which is input through a scan clock terminal, to the scan signal line in case that the gate-on voltage is supplied to the pull-up node, wherein the output node controller includes a thin-film transistor which is turned on in response to a simultaneous driving control signal, supplies the scan clock signal to the pull-up node, and periodically receives the scan clock signal in case that the thin-film transistor is turned off during the active period.

A display device includes a first pixel including a first transistor, a second transistor, and a third transistor, a second pixel disposed adjacent to the first pixel in a first direction, and including a first transistor, a second transistor, and a third transistor, and an initialization voltage line disposed between the first pixel and the second pixel, and extending in a second direction crossing the first direction. The second transistor of the first pixel and the second transistor of the second pixel are connected to the initialization voltage line. The first, second, and third transistors of the first pixel and the first, second, and third transistors of the second pixel are symmetrical with respect to the initialization voltage line.

Display device including a first capacitor with a gate electrode and a second capacitor with a data line

A display device includes a display panel having a general area including first subpixels, and a sensor area including second subpixels and light-transmitting area. Each of the first subpixels and the second subpixels includes a first active layer disposed on a substrate and formed of a first material, a first gate layer disposed on the first active layer, a second gate layer disposed on the first gate layer, a second active layer disposed on the second gate layer and formed of a second material different from the first material, a third gate layer disposed on the second active layer, and a light-blocking layer disposed between the substrate and the first active layer and overlapping the second active layer in a thickness direction.

A display device includes: a display panel including a first area and a second area, wherein the first area includes first sub-pixels, and the second area includes second sub-pixels; and a power supply unit that generates a first driving voltage and a second driving voltage greater than the first driving voltage to supply the first and second driving voltages to the display panel. The first sub-pixels receive the first driving voltage, and the second sub-pixels receive the first driving voltage or the second driving voltage.

A display device includes a substrate that includes a display area for displaying an image and a non-display area surrounding the display area, a plurality of pixels that are disposed in the display area and each include an organic light emitting diode and a pixel circuit portion configured to operate the organic light emitting diode, and a scan driver that is disposed in the non-display area and includes a plurality of stages configured to output scan signals to the plurality of pixels. The plurality of stages may be arranged in n columns, a height of one stage may correspond to a height of n pixels, and n may be an integer of 2 or more.

Display device including scan driver

Display device including symmetrically disposed transistors

A processor implemented image processing method includes recognizing a target object in a first frame of an input image; adjusting an exposure of a second frame of the input image based on a brightness of the target object; and generating a synthesized image by synthesizing the first frame and the second frame.

Image processing method for autonomous driving and apparatus thereof

A pixel circuit includes a first switching element including a control electrode connected to a first node, an input electrode which receives a first power voltage and an output electrode connected to a third node, a second switching element including a control electrode which receives a compensation gate signal, an input electrode connected to a second node and an output electrode connected to the third node, a third switching element including a control electrode which receives a write gate signal, an input electrode connected to the first node and an output electrode connected to the second node, a storage capacitor including a first electrode which receives an initialization voltage and a second electrode connected to the first node, a program capacitor which receives a data voltage and connected to the second node, and an organic light emitting element connected to the third node and which receives a second power voltage.

Pixel circuit and display apparatus having the same

In a display device including pixels, each of the pixels may include: a first transistor coupled to a first node, a first power supply voltage line, and a second node; and a light-emitting diode coupled to the second node and a second power supply voltage line. Each image frame may include at least two emission enable periods for the light-emitting diode, and at least one emission inhibit period between the at least two emission enable periods.

Display device having at least two emission enable periods per image frame and method of driving the same

A display device includes a data line to which a data voltage is applied, a first driving voltage line to which a first driving voltage is applied, a second driving voltage line to which a second driving voltage is applied, and a pixel connected to the first and second driving voltage lines. The pixel includes a first transistor to control a driving current according to a voltage applied to a first node, a light emitting element between the first transistor and the first driving voltage line, and a capacitor between the first node and the second driving voltage line. The first driving voltage has a first high-level voltage during a first initialization period, the first driving voltage has a first mid-level voltage lower than the first high level voltage during a threshold-voltage-storage period, and the first driving voltage has a first low-level voltage during a second initialization period.

An organic light emitting display device includes a plurality of pixels. A pixel on an ith horizontal line includes a first transistor coupled between a first power source and a first node and having a gate electrode coupled to a second node. An organic light emitting diode is coupled between the first node and a second power source. A second transistor is coupled between the second and third nodes and is turned on when a first scan signal is supplied to an ith first scan line. A third transistor is coupled between the third and first nodes. A first capacitor is coupled between an ith control line and the second node. A second capacitor is coupled between the third node and a data line. The pixels are simultaneously driven during first, second, and third periods of a frame period and sequentially driven during a fourth period of the frame period.

Organic light emitting display device and driving method thereof

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Yongin-si, South Korea

Young Wan Seo