H10K59/1201

OLED display device comprising an insulative layer of varying thickness and manufacturing method thereof

The present invention provides an OLED display device and a manufacture method thereof. By locating a thickness of a part of the second insulative layer correspondingly positioned above the bottom layer wiring in the white sub pixel area is larger than a thickness of other part of the second insulative layer in the white sub pixel area, increase a vertical distance from the bottom layer wiring to the first electrode in the white sub pixel area, and thus, the short circuit, the overcurrent between the first electrode and the bottom layer wiring of the white sub pixel area can be prevented. The manufacture method of the OLED display device is simple, easy for operation, and the manufactured OLED display device can prevent the short circuit or the overcurrent between the first electrode and the bottom layer wiring of the white sub pixel area occur and raise the manufacture yield of the OLED display device.

Organic EL display panel, production method therefor, and organic EL display device

An organic EL display panel including: a substrate; banks linearly extending along one direction above the substrate; pixel electrodes spaced away from one another along the one direction, in each of first and second spaces among spaces defined by the banks; a light-emitting layer covering each pixel electrode in each of the first and second spaces; and a sub-bank crossing the one direction at least in the first space, and when defining each light-emitting layer portion covering a pixel electrode as a light-emitting portion and defining each area between light-emitting portions adjacent in the one direction as a non-light-emitting portion, a positive integer N exists for which the following holds true: among Nth non-light-emitting portions counting from one side along the one direction, the Nth non-light-emitting portion in the first space has the sub-bank and the Nth non-light-emitting portion in the second space does not have the sub-bank.

Peeling apparatus and stack manufacturing apparatus

The yield of a peeling process is improved. A peeling apparatus includes a structure body with a convex surface and a stage with a supporting surface which faces the convex surface. The structure body can hold a first member of a process member between the convex surface and the supporting surface. The stage can hold a second member of the process member. The radius of curvature of the convex surface is less than the radius of curvature of the supporting surface. The linear velocity of the convex surface is greater than or equal to the speed of a rotation center of the structure body passing the stage. The first member is wound along the convex surface to be separated from the second member.

Display device and electronic device

A display device with high design flexibility is provided. The display device includes a display element, a touch sensor, and a transistor between two flexible substrates. An external electrode that supplies a signal to the display element and an external electrode that supplies a signal to the touch sensor are connected from the same surface of one of the substrates.

Organic light-emitting diode display with bent substrate

A display may have an array of organic light-emitting diodes that form an active area on a flexible substrate. Metal traces may extend between the active area and an inactive area of the flexible substrate. Display driver circuitry such as a display driver integrated circuit may be attached to a flexible printed circuit that is attached to the flexible substrate in the inactive area. The metal traces may extend across a bend region in the flexible substrate. The flexible substrate may be bent in the bend region. The flexible substrate may be locally thinned in the bend region. A neutral stress plane adjustment layer may cover the metal traces in the bend region. The neutral stress plane adjustment layer may include polymer layers such as an encapsulation layer, a pixel definition layer, a planarization layer, and a layer that covers a pixel definition layer and planarization layer.

Display device
11251381 · 2022-02-15 · ·

A flexible display device includes a substrate, a plurality of first pixels, and a plurality of second pixels. The substrate includes a foldable bending region and a non-foldable non-bending region. Each first pixel is disposed on the bending region. Each first pixel is spaced apart from an adjacent first pixel by a first distance. Each second pixel is disposed on the non-bending region. Each second pixel is spaced apart from an adjacent second pixel by a second distance. The first distance is greater than the second distance.

Display device and method of manufacturing the same

A display device and a method of manufacturing the display device are disclosed. In one aspect, the method includes forming a sacrificial layer over a carrier substrate, forming a passivation barrier layer to cover upper and lateral sides of the sacrificial layer and forming a thin film transistor layer over the passivation barrier layer. The method also includes placing a mask over the thin film transistor layer so as to expose an edge portion of the passivation barrier layer, wherein the edge portion does not overlap the mask in the depth dimension of the display device. The method further includes removing the edge portion of the passivation barrier layer so as to form a barrier layer and separating the carrier substrate from the barrier layer via the sacrificial layer.

Organic light-emitting display apparatus and fabrication method thereof

An organic light-emitting display apparatus includes a display substrate and a thin film encapsulation layer on the display substrate. The display substrate includes at least one hole, a thin film transistor, a light-emitting portion electrically connected to the thin film transistor, and a plurality of insulating layers. The light-emitting portion includes a first electrode, an intermediate layer, and a second electrode. The display substrate includes an active area, an inactive area between the active area and the hole, and a plurality of insulating dams. Each insulating dam includes at least one layer. The inactive area includes a first area different from a laser-etched area and a second laser-etched area.

OLED and fabrication method thereof, and display apparatus
09818810 · 2017-11-14 · ·

An OLED and a fabrication method thereof, and a display apparatus are provided. The OLED comprises: a base substrate; a first electrode, an organic functional layer and a transparent or semi-transparent second electrode sequentially disposed on the base substrate; and a covering layer provided on a side of the second electrode away from the base substrate. A surface of the covering layer away from the base substrate is uneven.

OLED display device with auxiliary electrode and preparation method thereof, display apparatus

An organic light emitting diode (OLED) display device and a preparation method thereof, and a display apparatus are disclosed. The OLED display device includes: a thin layer transistor (22), a first electrode (23′), a second electrode (26′) and an organic functional layer (25) located between the first electrode (23′) and the second electrode (26′). The thin film transistor (22) comprises a gate electrode (221), a source electrode (222) and a drain electrode (223); and the first electrode (23′) is electrically connected with the drain electrode (223). The display device further comprises a first auxiliary electrode (27) formed from a topological insulator. The first auxiliary electrode (27) is electrically connected with the second electrode (26′) to provide electrical signals for the second electrode (26′). The OLED display avoids the problems of high IR drop and non-uniform lightness caused by the large transmission resistance of the cathodes.