Samsung Display Co., Ltd.

Donghyun Yang

SangJin Park

SungBae Ju

Inkyung Yoo

Heena Kim

Youngseok Baek

In Kyung Yoo

Youngdae Kim

A display apparatus includes a substrate, a thin film transistor, a first inorganic insulating layer, a first organic insulating layer, a second inorganic insulating layer, and a second organic insulating layer. The thin film transistor is over the substrate and includes a semiconductor layer and a gate electrode. The first inorganic insulating layer includes a first insulating layer between the semiconductor layer and the gate electrode of the thin film transistor and a second insulating layer over the gate electrode. The first organic insulating layer is over the first inorganic insulating layer. The second inorganic insulating layer is over the first organic insulating layer. The second organic insulating layer is over the second inorganic insulating layer. At least one hole passing through the first inorganic insulating layer and the second inorganic insulating layer is formed in a peripheral portion of the thin film transistor.

Display apparatus

A display apparatus includes a base substrate, a thin film transistor layer on the base substrate, an insulation layer on the thin film transistor layer, a first electrode on the insulation layer and in a light emitting area, a pixel defining layer having an opening that has a size and a shape substantially same as that of the first electrode, and on the insulation layer, a light emitting layer on the first electrode, and a second electrode on the light emitting layer.

Display apparatus having self-aligned structures

A display device includes a foldable display panel, a cover portion where the foldable display panel is disposed, the cover portion overlapping the foldable display panel, a hinge portion including a hinge structure connected to the cover portion to allow the cover portion to be foldable, and a hinge cover where the hinge structure is disposed, and a protection portion connected to the hinge portion and shielding an exposed side surface between the cover portion and the hinge portion.

Display device

A method for manufacturing a mask includes providing a mask mother substrate including a first portion and a plurality of second portions adjacent to the first portion, forming a reflecting plate on the mask mother substrate, forming a photoresist layer on the reflecting plate, removing a third portion of the photoresist layer that overlaps the plurality of second portions using an auxiliary mask, removing a fourth portion of the reflecting plate that overlaps the plurality of second portions, and removing the plurality of second portions of the mask mother substrate using a laser.

Mask and method of manufacturing mask

A method of fabricating a display device includes forming a circuit layer on a base layer, forming a first preliminary electrode and a second preliminary electrode on the circuit layer, forming a photoresist layer on the first preliminary electrode and the second preliminary electrode, patterning the photoresist layer to form a photoresist pattern, treating a region of each of the first preliminary electrode and the second preliminary electrode to form a first electrode and a second electrode having regions of lower and higher electrical resistance, and disposing a light-emitting element on the first electrode and the second electrode at regions having lower electrical resistance.

Display device and method of fabricating the same

A display device includes a display panel including a folding area at which the display device is foldable and unfoldable; a first casing and a second casing arranged in a first direction along the display panel, the first casing and the second casing spaced apart from each other at the folding area; a third casing between the first casing and the second casing along the first direction, the third casing corresponding to the folding area; and a cover facing the display panel with the third casing therebetween, the cover connected to each of the first casing and the second casing. Folding and unfolding of the display device respectively includes extension of the cover from of the first casing and retraction of the cover into the first casing.

Display apparatus having self-aligned structures and method of manufacturing the same

Provided is a display device including a pixel circuit, a first insulation layer covering the pixel circuit, a first barrier disposed on the first insulation layer and extending in a first direction, a second barrier separated from the first barrier and extending in the first direction and spaced apart from the first barrier layer in a second direction substantially perpendicular to the first direction, a first electrode disposed on the first barrier and electrically connected to the pixel circuit, a second electrode disposed on the second barrier and separated from the first electrode, a second insulation layer disposed on the first electrode and the second electrode with a rubbing groove provided therein in the second direction, and a light emitting element aligned along the rubbing groove on the second insulation layer and electrically connected to the first electrode and the second electrode.

Display device and manufacturing method of display device

A display module includes a base substrate including an upper surface where a display area and a non-display area are defined, a lower surface, and a plurality of side surfaces, a circuit element layer including a planarization layer, a pixel defining layer defining an opening portion that overlaps the display area and exposes a portion of the planarization layer, a display element layer including a first electrode disposed on the planarization layer exposed by the opening part, a light emitting layer, and a second electrode, and a sealing layer disposed on the display element layer. A dam hole is defined, which is adjacent to an edge where two side surfaces of the side surfaces are connected in a plan view of the base substrate, overlaps the non-display area, and penetrates at least one of the planarization layer and the pixel defining layer.

Display module

A display device includes a plurality of scan lines and a plurality of data lines; and a plurality of pixels connected with the scan lines and the data lines, wherein at least one pixel of the plurality of pixels includes a pixel circuit having at least one transistor, an insulating layer covering the pixel circuit, a first electrode disposed on the insulating layer and electrically connected to the pixel circuit, a second electrode disposed on the insulating layer and spaced apart from the first electrode, and a light-emitting element electrically connected to the first electrode and the second electrode. The first electrode includes a first region having at least one first resistance and a plurality of second regions having a second resistance higher than the first resistance, the second electrode includes a third region having at least one third resistance and a plurality of fourth regions having a fourth resistance higher than the third resistance, and the light-emitting element is electrically connected to the first electrode at one of the first regions and the second electrode at one of the third regions.

Growing community of inventors

Seongnam-si, South Korea

Donghyun Yang