H01L51/52

Composition for organic light emitting diode encapsulation and organic light emitting diode display manufactured therefrom

Provided are: a composition for an organic light emitting diode comprising an indole-based photocurable monomer, a non-indole-based photocurable monomer, and an initiator, and an organic light emitting display manufactured therefrom.

OLED encapsulation structure, protective film therefor, and manufacturing method of the protective film

The present invention discloses an organic light-emitting diode (OLED) encapsulation structure, a protective film therefor, and a manufacturing method of the protective film, the protective film includes a base film and an auxiliary film disposed on at least two opposite sides of the base film, and connected to the base film, wherein the auxiliary film is softer than the base film, and when the protective film covers the OLED encapsulation structure, the base film covers a top portion of the OLED encapsulation structure, and the auxiliary film covers at least two opposite sides of the OLED encapsulation structure.

Display substrate and manufacturing method thereof, display panel

A display substrate and a manufacturing method thereof, and a display panel are provided. The display substrate includes a base substrate having a display region and a peripheral region adjacent to the display region, the peripheral region being provided therein with a gate driver-on-array circuit including a plurality of transistors and capacitors, all of the transistors are provided in a transistor region, at least a part of the plurality of capacitors are provided in a capacitor region, and the capacitor region is located on a side of the transistor region distal to the display region; and an encapsulation structure for encapsulating the display region and the transistor region together; the peripheral region further including a sealing region for arranging a sealing structure therein, the capacitor region is located in the sealing region, and the sealing region is provided on a side of the encapsulation structure distal to the display region.

Foldable display device
11539024 · 2022-12-27 · ·

A foldable display device assembly includes a rigid film having first and second sections spaced apart from each other, the rigid film being foldable about a folding axis disposed between the first and second sections of the rigid film; an adhesion structure having first and second adhesion sections spaced apart from each other, the first and second adhesion sections being disposed on the first and second sections of the rigid film, respectively; a lower flexible module disposed on the adhesion structure; a flexible display module disposed on the lower flexible module; and an upper flexible module disposed on the flexible display module.

Display substrate, manufacturing method thereof, and display device

A display substrate, a manufacturing method thereof, and a display device are disclosed. The display substrate includes a base substrate; a pixel defining layer on the base substrate, the pixel defining layer includes a plurality of openings, the pixel defining layer includes a first pixel defining layer, a conductive layer, and a second pixel defining layer which are stacked, in the pixel defining layer in at least a peripheral region of the display substrate, an orthographic projection of the conductive layer on the base substrate completely falls within an orthographic projection of the second pixel defining layer on the base substrate; and an electroluminescent unit including a transparent electrode the transparent electrode is electrically connected with the conductive layer in the pixel defining layer in at least the peripheral region of the display substrate.

Light emitting diode display panel with one or more encapsulation layers and manufacturing method thereof
11538876 · 2022-12-27 · ·

The disclosure provides LED display panel and manufacturing method thereof. LED display panel includes: substrate; LED on substrate; pixel defining layer defining pixel opening on substrate, the LED being within pixel opening; and first encapsulation layer on light emitting side of LED. Portion of first encapsulation layer within pixel opening includes sidewall inclined with respect to substrate, surface of sidewall close to LED includes first portions and second portions alternately arranged in direction away from LED and connected to each other, and inclination angles of first portions with respect to substrate are smaller than those of second portions with respect to substrate. Refractive index of material of first encapsulation layer is greater than refractive index of material of each of layer structures directly on both sides of first encapsulation layer in direction perpendicular to substrate.

Liquid crystal composition and use thereof

Provided is a liquid crystal composition and a use thereof. The liquid crystal composition has a reverse-wavelength dispersion property and excellent high-temperature durability, and the liquid crystal composition can be applied to a retardation layer, a circularly polarizing plate, or a display device, for example, an organic light emitting display device.

Luminescent thin film, luminescent multilayered film, and organic electroluminescent device, and production method therefor
11539027 · 2022-12-27 · ·

The present invention addresses the problem of providing: a luminescent thin film, a luminescent multilayered film, and an organic electroluminescent element that have luminescence properties with excellent storage stability in atmospheric air; and a production method therefor. This luminescent thin film contains a luminescent compound A, and is characterized by containing 0.0001 mass % or more of an oxide B of luminescent compound A in terms of the luminescent compound A.

Multi-layer film, display panel and manufacturing method thereof, and display apparatus

The present disclosure relates to a multi-layer film. The multi-layer film may include a first region and a second region. The first region may include a first bonding layer and a first planarization layer directly contacted with each other. The second region includes a second bonding layer, a second planarization layer, and an intervention layer between the second bonding layer and the second planarization layer.

Optical device
11539035 · 2022-12-27 · ·

An object of the present invention is to provide an optical device that can accomplish both the effect of preventing external light reflection and the improvement of utilization efficiency of light emitted from an organic electroluminescent element. The object is achieved by an optical device having an organic electroluminescent substrate, a circularly polarized light-separating layer separating light into right-handed circularly polarized light and left-handed circularly polarized light, a λ/4 plate, and a polarizer, wherein the circularly polarized light-separating layer has a liquid crystal alignment pattern in which a liquid crystal compound is twisted and aligned along a helical axis extending in a thickness direction and the direction of an optical axis derived from the liquid crystal compound changes while continuously rotating in one direction in the plane.