Samsung Display Co., Ltd.

Dongwoo Fine-chem Co., Ltd.

Jongmoo Huh

Shinhyuk Yang

Jeehoon Kim

Kwangsoo Lee

Junyoung Kim

Jonghyun Yun

Seunggyu Tae

Sangcheon Han

Kyumin Kim

Sungho Kim

Sangho Moon

Dongwon Kim

Jaehyun Lee

Hui-Won Yang

Sunghwan Won

Woogeun Lee

Seulki Kim

Youngjae Jeon

Seokhwan Bang

Hyunseong Kang

Seungsok Son

Beomsoo Kim

Jiyun Hong

Donghan Kang

Joongeol Kim

Seungrae Kim

Youngjin Yoon

Kapsoo Yoon

Huiwon Yang

Sangkyung Lee

Jaeseol Cho

Jongin Kim

Donghoon Shin

Junewhan Choi

Hyeonsu Cho

Eunwon Lee

Doohyun Kim

Kisu Jin

Songhee Kim

Jihun Park

A display device including a display area, a peripheral area adjacent to the display area, light-emitting diodes disposed in the display area, transistors electrically connected to the light-emitting diodes, and a pad section including a pad electrode having a multi-layered structure, the pad electrode being disposed in the peripheral area. The pad electrode includes a main metal layer, a first conductive layer on an upper surface of the main metal layer, the first conductive layer including a conductive oxide, and an auxiliary layer on a lower surface of the main metal layer.

Display device

An etchant including: persulfate; a fluorine-containing compound; a chlorine-containing compound; a cyclic amine compound; an inorganic acid; a first compound; and water, wherein the first compound is a compound containing: a sulfonic group, a sulfonic acid group, or a combination thereof; and an amine group, and an interfacial permeation inhibition index (Y) of the etchant is a value of at least about 0.10 and not more than about 0.35, the interfacial permeation inhibition index (Y) being a value calculated by Equation 1. The description of Equation 1 is as in the specification.

Etchant

A display apparatus includes a flexible substrate, a thin-film transistor unit, and a light-emitting unit. The flexible substrate includes a display area has a first area, a peripheral area which is adjacent to the display area, and a first penetrating portion corresponding to the first area. The thin-film transistor unit is in the display area and at least a portion of the peripheral area. The thin-film transistor unit includes a thin-film transistor and an insulation layer and has a second penetrating portion at a location corresponding to the first penetrating portion. The light-emitting unit is on the thin-film transistor unit and includes a pixel electrode, an intermediate layer including an emission layer, and a counter electrode.

Display apparatus with penetrating portion and method of manufacturing same

A display device includes a driving element disposed in a display area, an emission element disposed in the display area and electrically connected to the driving element, and a connection pad disposed in a pad area adjacent to the display area and electrically connected to the driving element. The connection pad includes a first pad conductive layer including a metal and a second pad conductive layer including indium tin zinc oxide (ITZO). The indium tin zinc oxide of the second pad conductive layer includes about 20 at % to about 35 at % of indium (In), about 2 at % to about 20 at % of zinc (Zn), about 4 at % to about 6 at % of tin (Sn), and a remainder of oxygen (O).

A display apparatus includes a substrate including a display area and a peripheral area adjacent to the display area, a thin-film transistor located in the display area of the substrate and including a semiconductor layer and a gate electrode overlapping a channel region of the semiconductor layer, a conductive layer disposed between the substrate and the semiconductor layer and including a first electrode located in the display area of the substrate and a pad electrode located in the peripheral area of the substrate, and a first insulating layer disposed between the conductive layer and the semiconductor layer and having a first opening that exposes at least a portion of an upper surface of the pad electrode.

Display apparatus and method of manufacturing the same

Organic light emitting display apparatus with penetrating portion

A display apparatus includes a display area including pixels on a substrate, a pad portion on the substrate in a non-display area outside the display area, and including a conductive line, a first dummy line around the conductive line, and a first anti-fuse and a second anti-fuse adjacent to the conductive line and spaced apart from each other in a lengthwise direction of the conductive line, the first anti-fuse and the second anti-fuse each including a first electrode electrically connected to a portion of the conductive line, and a second electrode over the first electrode with a first insulating layer therebetween, and electrically connected to a portion of the first dummy line, and a circuit portion overlapping, and electrically connected to, the pad portion.

Display apparatus

A display device includes a lower electrode extending in a first direction and a first active layer disposed on the lower electrode and extending in a second direction perpendicular to the first direction. The first active layer includes a first area having a first width in the first direction, a second area having a second width wider than the first width in the first direction, and overlapping the lower electrode and a third area between the first area and the second area and connecting the first area to the second area.

Organic light emitting display apparatus with penetrating portion and method of manufacturing the same

A display device includes a substrate including a display area and a peripheral area outside the display area, a thin-film transistor arranged in the display area, a display element arranged in the display area, an interlayer insulating layer covering the thin-film transistor, a conductive layer arranged above the interlayer insulating layer, a first insulating layer covering the conductive layer, a pad arranged in the peripheral area, and a second conductive layer covering a central portion of the pad. The pad is connected to a connection line through a contact hole, and the connection line is arranged on a same first layer as a gate electrode of the thin-film transistor. A side surface of the pad is covered by the first insulating layer or the second conductive layer.

Display device including pad arranged in peripheral area

A display apparatus that can reduce defects caused by static electricity, includes a substrate unit that includes at least one organic insulating layer, at least one inorganic insulating layer, and a first conductive layer that includes doped amorphous silicon (a-Si) that is disposed between the at least one organic insulating layer and the at least one inorganic insulating layer; and a thin film transistor unit disposed on the substrate portion and that includes a thin film transistor.

Organic light emitting display apparatus with penetrating portion and method of manufacturing same

A display panel that includes a plurality of pixels, each pixel includes a first area including a display device; a second area including a first reflective member to reflect light received from the display device to an outside of the display panel for viewing, and a third area including a second reflective member reflecting external light to provide a mirror function when the display device is not displaying an image. The display device includes a pair of reflective electrodes to cause the light produced by the display device to propagate towards the second area. One of the two electrodes may further include a transparent conductive material to provide a waveguide function to the display device in the first area to improve coupling efficiency of the display panel.

Display panel

An organic light-emitting diode (OLED) display is disclosed. In one aspect, the display includes a substrate including an emission area, a sensor area, and an opening area. The display also includes an OLED formed in the emission area of the substrate, wherein the OLED includes an organic light emitting layer interposed between pixel and opposite electrodes, wherein the opposite electrode is configured to firstly reflect light emitted from the intermediate layer. The display further includes a photo sensor formed in the sensor area of the substrate and a partition wall located adjacent to the photo sensor and at least partially surrounding the photo sensor. The partition wall is configured to secondly reflect at least a portion of the first reflected light, and wherein the photo sensor is configured to at least partially absorb the second reflected light.

Organic light-emitting diode (OLED) display

A method of manufacturing a display device is disclosed. In one aspect, the method includes forming an active layer over a substrate, forming a first insulating layer over the active layer, forming a gate electrode over the active layer, and forming an alignment mark over the substrate. The forming of the alignment mark includes forming a first layer including a first pattern and forming a second layer over the first layer and including concave and convex portions formed along the first pattern. The first insulating layer is interposed between the first and second layers.

Method of manufacturing display device and forming an alignment mark having concave and convex portions formed along a first pattern

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Yongin-si, South Korea

Jongmoo Huh