Display device
AssigneeSharp Display Technology Corporation
InventorHiroyuki Madono
Life of this patent
Estimating the term…
Abstract
A plurality of inversely tapered protruding portions are provided so as to surround a through-hole in a non-display region, each of the plurality of inversely tapered protruding portions includes a resin portion constituted by a resin substrate layer and separated by a plurality of substrate slits, and inorganic insulating layers provided on the resin portion, a first inorganic encapsulation film covers the plurality of inversely tapered protruding portions and the plurality of substrate slits, and a metal layer is provided on the inorganic insulating layer in at least one of the plurality of inversely tapered protruding portions.
Claims16
A display device comprising:
- a resin substrate layer;
- a thin film transistor layer provided on the resin substrate layer and sequentially layered with an inorganic insulating film and a metal wiring layer;
- a light-emitting element layer provided on the thin film transistor layer and sequentially layered with a plurality of first electrodes, a common light-emitting function layer, and a common second electrode corresponding to a plurality of subpixels constituting a display region;
- and
- a first inorganic encapsulation film covering the light-emitting element layer,
- wherein a non-display region having an island shape is provided inside the display region,
- a through-hole penetrating through the resin substrate layer in a thickness direction of the resin substrate layer is provided in the non-display region,
- a plurality of inversely tapered protruding portions surrounding the through-hole are provided in the non-display region,
- each of the plurality of inversely tapered protruding portions includes a resin portion formed of the resin substrate layer and an inorganic insulating layer provided on the resin portion and formed of a material identical to a material of the inorganic insulating film in a layer identical to a layer of the inorganic insulating film,
- the resin portion included in each of the plurality of inversely tapered protruding portions is separated by corresponding slits of a plurality of substrate slits, the plurality of substrate slits surrounding the through-hole on a surface on a side of the thin film transistor layer of the resin substrate layer,
- the inorganic insulating layer protrudes in an eaves shape toward at least one of a side of the through-hole and a side of the display region from the resin portion in each of the plurality of inversely tapered protruding portions,
- the first inorganic encapsulation film covers the plurality of inversely tapered protruding portions and the plurality of substrate slits in a region provided with the plurality of inversely tapered protruding portions and the plurality of substrate slits,
- a metal layer formed of a material identical to a material of the metal wiring layer in a layer identical to a layer of the metal wiring layer is provided on the inorganic insulating layer in at least one of the plurality of inversely tapered protruding portions, and
- an upper slit penetrating through the inorganic insulating layer is formed at an intermediate portion in a width direction of the inorganic insulating layer, and
- the metal layer covers both side surfaces and a bottom surface of the upper slit.
A display device comprising:
- a resin substrate layer;
- a thin film transistor layer provided on the resin substrate layer and sequentially layered with an inorganic insulating film and a metal wiring layer;
- a light-emitting element layer provided on the thin film transistor layer and sequentially layered with a plurality of first electrodes, a common light-emitting function layer, and a common second electrode corresponding to a plurality of subpixels constituting a display region;
- and
- a first inorganic encapsulation film covering the light-emitting element layer,
- wherein a non-display region having an island shape is provided inside the display region,
- a through-hole penetrating through the resin substrate layer in a thickness direction of the resin substrate layer is provided in the non-display region,
- a plurality of inversely tapered protruding portions surrounding the through-hole are provided in the non-display region,
- each of the plurality of inversely tapered protruding portions includes a resin portion formed of the resin substrate layer and an inorganic insulating layer provided on the resin portion and formed of a material identical to a material of the inorganic insulating film in a layer identical to a layer of the inorganic insulating film,
- the resin portion included in each of the plurality of inversely tapered protruding portions is separated by corresponding slits of a plurality of substrate slits, the plurality of substrate slits surrounding the through-hole on a surface on a side of the thin film transistor layer of the resin substrate layer,
- the inorganic insulating layer protrudes in an eaves shape toward at least one of a side of the through-hole and a side of the display region from the resin portion in each of the plurality of inversely tapered protruding portions,
- the first inorganic encapsulation film covers the plurality of inversely tapered protruding portions and the plurality of substrate slits in a region provided with the plurality of inversely tapered protruding portions and the plurality of substrate slits,
- a metal layer formed of a material identical to a material of the metal wiring layer in a layer identical to a layer of the metal wiring layer is provided on the inorganic insulating layer in at least one of the plurality of inversely tapered protruding portions, and
- the metal layer includes a first metal layer, a second metal layer, and a third metal layer that are sequentially layered on the inorganic insulating layer, and
- peripheral edge portions of the first metal layer and the third metal layer each protrude in an eaves shape with respect to a peripheral edge portion of the second metal layer.
Dependencies are inferred from the claim text.