Samsung Display Co., Ltd.

Ki Wan Ahn

Joo Sun Yoon

Joung-Keun Park

Yong Jae Jang

Jae Hyuk Jang

Wal Jun Kim

Hee Jun Yoo

Seung Min Lee

Jung Hyun Kim

Chong Chul Chai

Sang Ho Park

Jin Taek Kim

Hong Soo Kim

Jin Yeong Kim

Pil Suk Lee

Bon Seog Gu

Woo Mi Bae

Joung Keun Park

Kwang Young Choi

A display device includes: a substrate; signal lines including a gate line, a data line, and a driving voltage line that collectively define an outer boundary of a pixel area; a transistor connected to the signal line; a first electrode extending across the pixel area and formed on the signal line and the transistor, and connected to the transistor, the first electrode having a first portion overlying only the signal line and the transistor, and a second portion including all of the first electrode not included in the first portion; a pixel defining layer formed on only the first portion of the first electrode; an organic emission layer formed on substantially the entire second portion but not on the first portion; and a second electrode formed on the pixel defining layer and the organic emission layer.

Display device and method for manufacturing display device

A display device includes a display panel including pixels; a panel driver to supply a scan signal and a data signal to the pixels; and a power supply to generate a first supply voltage and a second supply voltage, and to change the first supply voltage and/or the second supply voltage to provide it to the pixels. The pixels emit light in response to the scan signal based on the data signal during an emission period where a voltage difference between the first supply voltage and the second supply voltage is larger than a first reference voltage. A first voltage difference between the first supply voltage and the second supply voltage at a start of the emission period is larger than an average voltage difference between the first supply voltage and the second supply voltage throughout the emission period.

Display device having variable power sources

A head-mounted display device includes a display including a substrate and a plurality of display elements disposed on the substrate, a first polarizing layer disposed on the display, a reflective layer disposed on the first polarizing layer, a light-separating layer disposed on the reflective layer, a lens disposed on the light-separating layer, and a second polarizing layer disposed on the lens.

Head-mounted display device

Provided is a display device, including: a substrate; signal lines including a gate line, a data line, and a driving voltage line that collectively define an outer boundary of a pixel area; a transistor connected to the signal line; a first electrode extending across the pixel area and formed on the signal line and the transistor, and connected to the transistor, the first electrode having a first portion overlying only the signal line and the transistor, and a second portion comprising all of the first electrode not included in the first portion; a pixel defining layer formed on only the first portion of the first electrode; an organic emission layer formed on substantially the entire second portion but not on the first portion; and a second electrode formed on the pixel defining layer and the organic emission layer.

A display device including a first signal line disposed on a substrate, a first insulating layer disposed on the first signal line, and a second signal line disposed on the first insulating layer and crossing the first signal line, in which the first insulating layer includes a recess portion providing a surface height lower than other areas of the first insulating layer, and the first signal line and the second signal line overlap each other with the recess portion therebetween.

Display device and manufacturing method thereof

An organic light-emitting diode (OLED) display device includes a substrate, a first gate electrode on the substrate, a second gate electrode on the first gate electrode and at least partially overlapping the first gate electrode, a semiconductor pattern between the first gate electrode and the second gate electrode and at least partially overlapping the first and second gate electrodes, a connecting electrode on the second gate electrode and electrically connected to the semiconductor pattern, and a pixel electrode on the connecting electrode and electrically connected to the connecting electrode.

Organic light-emitting display device

A TFT, OLED display including the same, and manufacturing method thereof are disclosed. In one aspect, the TFT includes a first gate electrode formed over a substrate and a first insulating layer formed over the substrate and the first gate electrode. A semiconductor layer is formed over the first insulating layer, the semiconductor layer at least partially overlapping the first gate electrode. A second insulating layer is formed over the first insulating layer and the semiconductor layer, the first and second insulating layers having a pair of connection holes formed therethrough. A second gate electrode is electrically connected to the first gate electrode via the connection holes, the connection holes respectively exposing portions of the first gate electrode. Source and drain electrodes are formed over a third insulating layer and electrically connected to the semiconductor layer via the contact holes, the contact holes respectively exposing portions of the semiconductor layer.

Thin film transistor, organic light-emitting diode display including the same, and manufacturing method thereof

An organic light emitting diode (OLED) display according to an exemplary embodiment includes: a substrate including a display area for displaying an image and a transmissive area around the display area; an insulating layer formed on the transmissive area of the substrate; and a pixel definition layer formed on the substrate and defining a pixel area within the display area. The pixel definition layer may cover an inner circumferential surface of a transmissive hole formed in the insulating layer.

Organic light emitting diode display having an insulating and a light blocking materials covering an inner circumferential surface of a transmissive hole

A thin film transistor including a substrate; a first gate electrode on the substrate; a first insulating layer covering the substrate and the first gate electrode; a semiconductor on the first insulating layer and overlapping the first gate electrode; a second insulating layer covering the first insulating layer and the semiconductor; a second gate electrode on the second insulating layer and crossing the first gate electrode in plane; a third insulating layer covering the second gate electrode and the second insulating layer; a first source electrode and a first drain electrode on the third insulating layer and connected to the semiconductor; and a second source electrode and a second drain electrode on a same layer as the first source electrode and the first drain electrode and connected to the semiconductor.

Thin film transistor and organic light emitting diode display including the same

A display device and method of manufacturing the same, the display device having a substrate, a plurality of scattering patterns which are located on the substrate and comprise crystallized metal oxide, a first electrode which is located on the scattering patterns, an organic light-emitting layer which is located on the first electrode, and a second electrode which is located on the organic light-emitting layer.

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Seoul, South Korea

Ki Wan Ahn