An embodiment of the present invention discloses a display panel and a display device. The display panel includes a dual-sided light emitting device layer, an optical modulation layer, and a cover plate layer. The optical modulation layer is located between the dual-sided light emitting device layer and the cover plate layer. The optical modulation layer is configured to reflect light emitted from the dual-sided light emitting device layer toward the cover plate layer. the present invention disposes the optical modulation layer between the dual-sided light emitting device layer and the cover plate layer to prevent light waste.

The present disclosure provides a display panel comprising a bottom emitting type array substrate and a wavelength converting unit, wherein the wavelength converting unit is in contact with a transparent substrate layer of the array substrate, and the transparent substrate layer has a thickness of 5 μm or less. The present disclosure also provides a method for manufacturing the display panel by using a subtractive manufacture process.

A display panel includes a pixel unit including a plurality of pixels which emits light of different colors from each other, and a light blocking element disposed on the pixel unit and blocking a portion of light emitted from each of the plurality of pixels. Each of the plurality of pixels includes a pixel circuit, a first light emitting element electrically connected to the pixel circuit, and a second light emitting element electrically connected to the pixel circuit, where the second light emitting element emits light of a same color as light emitted from the first light emitting element. The light blocking element blocks a portion of light emitted from the first light emitting element and traveling in a first direction, and blocks a portion of light emitted from the second light emitting element and traveling in a second direction opposite to the first direction.

A display panel includes a display device layer including first to third light emitting areas and a non-tight emitting area and a light shielding member disposed on the display device laver. The light shielding member overlaps the non-light emitting area and includes light shielding openings corresponding to the first to third light emitting areas. A first portion of the light shielding member disposed between the first light emitting area and the second light emitting area has a first thickness at a first edge adjacent to the first light emitting area and a second thickness that is different from the first thickness at a second edge adjacent to the second light emitting area. A second portion of the light shielding member is disposed between the first light emitting area and the third light emitting area and has a uniform thickness.

Embodiments of a display device are described. A display device includes first and second sub-pixels. The first sub-pixel includes a first light source having a multi-layer stack and a first substrate configured to support the first light source. The multi-layer stack includes an organic phosphor film or a quantum dot (QD) based phosphor film configured to emit a first light having a first peak wavelength. The first substrate includes a first control circuitry configured to independently control the first light source. The second sub-pixel includes a second light source and a second substrate configured to support the second light source. The second light source has a microLED or a miniLED configured to emit a second light having a second peak wavelength that is different from the first peak wavelength. The second peak wavelength can be in the blue wavelength region of the visible spectrum. The second substrate includes a second control circuitry configured to independently control the second light source.

The disclosure is related to creating different functional micro devices by integrating functional tuning materials and creating an encapsulation capsule to protect these materials. Various embodiments of the present disclosure also related to improve light extraction efficiencies of micro devices by mounting micro devices at a proximity of a corner of a pixel active area and arranging QD films with optical layers in a micro device structure.

A display substrate, a method for manufacturing the same, and a display device are provided. The method includes: forming a thin film transistor (TFT) array layer on a base substrate; forming a planarization layer covering the TFT array layer; forming a transition layer on the planarization layer, an adhesion between the transition layer and a photoresist is weaker than an adhesion between the planarization layer and the photoresist; forming the photoresist on the transition layer, exposing and developing the photoresist to form a first photoresist pattern; by using the first photoresist pattern as a mask, etching the transition layer to form a first via hole, and etching the planarization layer through the first via hole to form a second via hole, an orthographic projection of the first via hole onto the base substrate overlaps with an orthographic projection of the second via hole onto the base substrate.

A display panel configured to display images is provided, each image including a plurality of image pixels and each image pixel including a plurality of sub-pixels of different colors, respectively, the display panel including: a base substrate; and a plurality of sub-beam generation components on the base substrate, each sub-beam generation component being configured to generate at least one sub-pixel in at least one image pixel of the image pixels and including: a group of light-emitting units comprising at least one light-emitting unit and corresponding to at least one sub-pixel; and a beam-expanding layer, which is arranged on a light emergent side of the group of light-emitting units and configured to expand light beams emitted from the group of light-emitting units; an orthogonal projection of the beam-expanding layer on the base substrate at least partially overlapping with an orthogonal projection of the group of light-emitting units on the base substrate.

A light emitting structure comprises a substrate, a plurality of sub-pixel stacks over the substrate emitting different colors, a bank surrounding the sub-pixel stacks and forming an interior space above the sub-pixel stacks, a first filler material in the interior space, a second filler material over the first filler material, and an interface between the first filler material and the second filler material. Each of the sub-pixel stacks including an emissive layer between a first transport layer and a second transport layer, a first electrode layer coupled to the first transport layer, and a second electrode layer coupled to the second transport layer. The sub-pixel stacks each have a substantially uniform distance between the emissive layer and the first electrode layer. Each of the sub-pixel stacks emits a main emission peak at one direction normal to a top surface of each of the sub-pixel stacks through the interface.

A first transistor, a second transistor, a third transistor, a fourth transistor are provided. In the first transistor, a first terminal is electrically connected to a first wiring; a second terminal is electrically connected to a gate terminal of the second transistor; a gate terminal is electrically connected to a fifth wiring. In the second transistor, a first terminal is electrically connected to a third wiring; a second terminal is electrically connected to a sixth wiring. In the third transistor, a first terminal is electrically connected to a second wiring; a second terminal is electrically connected to the gate terminal of the second transistor; a gate terminal is electrically connected to a fourth wiring. In the fourth transistor, a first terminal is electrically connected to the second wiring; a second terminal is electrically connected to the sixth wiring; a gate terminal is connected to the fourth wiring.