Samsung Display Co., Ltd.

Samsung Displayco., Ltd.

Minwoo Byun

Yangwan Kim

Jisu Na

Youngjin Cho

Changkyu Jin

Kwangmin Kim

Kiwook Kim

Byeongguk Jeon

Joong-Soo Moon

Minjoo Kim

Keonwoo Kim

Joongsoo Moon

Yongsung Park

Hokyoon Kwon

Jeonghun Kim

Wonkyu Kwak

Donghyun Lee

Hyungjun Park

Jaeyong Lee

Byungsun Kim

Sujin Lee

Keunsoo Lee

Deok-Young Choi

Jihyun Ka

Dae-Hyun Noh

Seungbin Lee

Donghwan Jeon

Seoni Jeong

Sungchan Hwang

Mangi Kim

Sujin Kim

Taehoon Yang

Chulkyu Kang

Yang-Hwa Choi

Jongwon Park

Kyonghwan Oh

Jin-Yup Kim

JeongHun Kim

Soongi Kwon

Chaehan Hyun

A gate driver includes a plurality of stages. At least one of the stages includes a control circuit configured to control a first control node in response to a first carry clock signal, a node separation transistor connected between the first control node and a second control node, a carry output circuit configured to output a carry signal in response to a voltage of the second control node, and a plurality of gate output circuits configured to output a plurality of gate signals having different timings in response to the voltage of the second control node.

Gate driver

A display apparatus with improved light emission uniformity includes a pixel. The pixel includes a driving thin-film transistor (TFT); a storage capacitor; a driving semiconductor layer; a first electrode layer; a second electrode layer; a pixel electrode; a pixel-defining layer defining a light-emitting region; and a conductive layer interposed between the first electrode layer and the pixel electrode and including an extending portion that at least partially overlaps the light-emitting region in a plane view to pass over a central portion of the light-emitting region.

Display apparatus

An electronic apparatus includes a base substrate having an active area and a peripheral area adjacent to the active area. A plurality of pixels is disposed on the active area. The electronic apparatus also includes a plurality of power lines connected to the pixels. A power pad is disposed on a peripheral area and is configured to receive a power voltage. A power pattern is disposed on the peripheral area and connecting the power lines to the power pad. A plurality of sensing electrodes is disposed on the pixels in the active area. A plurality of sensing pads is disposed on the peripheral area and is electrically connected to the sensing electrodes. The sensing pads overlap with the power pattern.

Electronic apparatus

A display apparatus including pixels, each including a driving transistor comprising a first terminal, a second terminal, a first gate, and a second gate electrically connected to the second terminal. Each pixel further includes a first transistor electrically connected to a driving voltage line and the first terminal of the driving transistor, a second transistor electrically connected to the second terminal of the driving transistor and a light-emitting diode, a first capacitor electrically connected to the first gate of the driving transistor and the second terminal of the driving transistor, and a second capacitor electrically connected to the driving voltage line and the second terminal of the driving transistor. A timing at which a first gate signal is applied to a gate of the first transistor and a timing at which a second gate signal is applied to a gate of the second transistor are different from each other.

A pixel includes: a light-emitting diode; a first transistor; a second transistor connected to a gate of the first transistor and to a data line; a third transistor connected to the gate of the first transistor and to a first voltage line; a fourth transistor connected to the first transistor and a second voltage line; a fifth transistor connected to the first transistor and to a third voltage line; and a sixth transistor connected to the first transistor and to the light-emitting diode, where a gate signal supplied to a gate of the sixth transistor is a signal obtained by shifting a gate signal supplied to a gate of the fifth transistor by a certain time.

Pixel and gate driving circuit

Provided is a display apparatus in which initialization and compensation of a pixel is implemented through a pixel including a thin film transistor connected to a node between a driving transistor and a light emitting diode.

A display apparatus includes a substrate, a wire having an inner edge including first and second portions, a first insulating layer covering a portion of the substrate, and a second insulating layer. The portion of the substrate covered by the first insulating layer is closer to a center of the substrate than the wire, the first insulating layer covers a part of the first portion of the wire and a part of the second portion of the wire, and a first end of the first insulating layer is disposed on the wire. The second insulating layer covers the first insulating layer and has a second end disposed on the wire. A distance between the first end and the second end covering the first portion of the wire is different from a distance between the first end and the second end covering the second portion of the wire.

A display device including: a substrate; a plurality of display elements defining a display area on the substrate and each including a pixel electrode, an opposite electrode, and an intermediate layer between the pixel electrode and the opposite electrode; a power supply wiring disposed outside the display area; an organic insulating layer on the power supply wiring and having an opening exposing the power supply wiring; a power supply electrode layer partially disposed on the organic insulating layer and including a plurality of holes over the organic insulating layer. A first portion of the power supply electrode layer overlaps the power supply wiring and a second portion of the power supply electrode layer overlaps the opposite electrode; a plurality of protrusions spaced apart from each other and respectively covering at least some of the plurality of holes; and an encapsulation layer covering the plurality of display elements.

Display device having a power supply electrode layer including a plurality of holes

A display device includes a substrate including a trench portion. The substrate includes a display area and a peripheral area adjacent to the display area. The display area includes a first display area and a second display area arranged with the trench portion therebetween to display an image. A thin-film transistor and a display element are each arranged in the display area. A built-in circuit portion is over the peripheral area and is adjacent to the trench portion. A first wiring is in the first display area and a second wiring is in the second display area. A connecting wiring connects the first wiring to the second wiring and overlaps the built-in circuit portion.

Display device having a trench portion

A display panel includes: a substrate including: a first region; a second region; a non-display area surrounding the first region and the second region; and a display area surrounding the non-display area; a plurality of pixels in the display area; a plurality of wirings configured to supply signals to the plurality of pixels; a load matching area connected to first wirings of the wirings, the load matching area including load units in the non-display area; and a dummy area including a plurality of dummy units spaced apart from the load units in the non-display area, wherein each of the load units comprises a load semiconductor layer, a first load conductive layer, and a second load conductive layer which at least partially overlap each other with an insulating layer therebetween, and the load semiconductor layer is connected to the second load conductive layer via a first contact hole.

Display panel

An emission control driver includes: a plurality of stages having: a first circuit portion configured to generate a first control signal at a first node and a second control signal at a second node; a second circuit portion configured to control a voltage level of the first control signal; a third circuit portion configured to generate a third control signal based on the first control signal, the second control signal, and the second clock signal; a first output transistor configured to output a first voltage as the emission control signal in response to the first control signal; and a second output transistor configured to output a second voltage as the emission control signal, and wherein the third circuit portion comprises a first capacitor configured to maintain a substantially constant voltage between both electrodes while each of the plurality of stages outputs the emission control signal.

Emission control driver and display apparatus including the same

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Yongin-si, South Korea

Minwoo Byun