Samsung Display Co., Ltd.

Yongho Yang

Seongmin Wang

Youngin Hwang

Seong Min Wang

Jihye Kong

Sungho Kim

Jina Lee

Eungtaek Kim

Elly Gil

Seongbaik Chu

Joohyeon Jo

Deukjong Kim

Jeong-Soo Lee

Beohmrock Choi

Jeongsoo Lee

Hyojin Kim

A display apparatus including a first thin-film transistor (TFT) including a first semiconductor layer including a silicon semiconductor; a second TFT including a second semiconductor layer including an oxide semiconductor; a first shielding layer configured to overlap the first TFT and positioned between a substrate and the first TFT; and a second shielding layer configured to overlap the second TFT and positioned between the substrate and the second TFT.

Display apparatus

A display device includes pixels, and each pixel is connected between a first electrode or a second electrode of a driving transistor and a bias line, includes a bias transistor configured to transfer a bias voltage applied from the bias line to the first electrode or the second electrode of the driving transistor during a bias period. Bias voltages applied to the pixels emitting light of different colors are different from each other.

Display device

A display device includes: a first electrode layer; a semiconductor layer including a source region, a drain region, and a channel region, wherein at least a portion of the source region or the drain region overlaps the first electrode layer; a second electrode layer arranged adjacent to the channel region; a third electrode layer overlapping the second electrode layer and at least a portion of the source region or the drain region; and a power line electrically connected to the first electrode layer and the third electrode layer.

Display device having power line electrically connected to electrode layers located above and below transistor

A display device includes a substrate, a thin film transistor disposed on the substrate, and a display element electrically connected to the thin film transistor. The substrate includes a first substrate layer, a second substrate layer disposed on the first substrate layer, a first barrier layer disposed between the first substrate layer and the second substrate layer, and a first ultraviolet light blocking layer disposed between the first substrate layer and the second substrate layer.

Display device having ultraviolet light blocking properties

A display apparatus includes: a first thin-film transistor (TFT) including a first semiconductor layer including a silicon semiconductor; a second TFT including a second semiconductor layer including an oxide semiconductor; a first shielding layer configured to overlap the first TFT and positioned between a substrate and the first TFT; and a second shielding layer configured to overlap the second TFT and positioned between the substrate and the second TFT.

A pixel circuit includes a light-emitting element, a first transistor, a second transistor operating based on a first gate signal, a third transistor operating based on a second gate signal, a fourth transistor operating based on an initialization control signal, a fifth transistor operating based on an emission control signal, a sixth transistor operating based on the emission control signal, a seventh transistor, of which one terminal is connected to the light-emitting element, operating based on a bias control signal, an eighth transistor, of which one terminal is connected to the driving transistor, operating based on the bias control signal, a storage capacitor, and the light-emitting element. The circuit performs a display-scan operation where a driving time of a panel driving frame is a predetermined duration, and performs a display-scan operation and a self-scan operation where the driving time is longer than the predetermined duration.

Pixel circuit and method for improving image quality at low driving frequency

A pixel circuit includes a light-emitting element, a first transistor, a second transistor operating based on a first gate signal, a third transistor operating based on a second gate signal, a fourth transistor operating based on an initialization control signal, a fifth transistor operating based on an emission control signal, a sixth transistor operating based on the emission control signal, a seventh transistor, of which one terminal is connected to the light-emitting element, operating based on a bias control signal, an eighth transistor, of which one terminal is connected to the driving transistor, operating based on the bias control signal, a storage capacitor, and the light-emitting element. The pixel circuit performs a display-scan operation in a first case where a driving time of a panel driving frame is a minimum driving time and performs a display-scan operation and at least one self-scan operation in a second case where the driving time is different from the minimum driving time.

An organic light-emitting display apparatus includes a substrate, a thin film transistor on the substrate, a pixel electrode electrically connected to the thin film transistor, a pixel defining layer having an opening exposing a center portion of the pixel electrode and covering an edge of the pixel electrode, and a first low reflection layer between the pixel electrode and the pixel defining layer, the first low reflection layer including a metal.

Organic light-emitting display apparatus and manufacturing method thereof

An organic light-emitting display apparatus and a method of manufacturing the same, the organic light-emitting display apparatus including a first substrate that includes a display area and a peripheral area; a second substrate that faces the first substrate; a first metal layer in the peripheral area of the first substrate, the first metal layer including a plurality of holes; and a sealing member that bonds the first substrate to the second substrate, wherein at least one of the plurality of holes includes a region that does not overlap the sealing member.

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Yongin-si, South Korea

Yongho Yang