A wavelength conversion device and a manufacturing method thereof are provided. The wavelength conversion device includes a wavelength conversion module including a carrier, a first light-blocking layer, a second light-blocking layer, a filter layer, a wavelength conversion layer, and a protective layer. The carrier has a first surface and a second surface opposite the first surface. The first light-blocking layer is disposed on the first surface and has a first opening. The second light-blocking layer is disposed on the second surface and has a second opening. The filter layer is disposed on the second surface and in the second opening. The wavelength conversion layer is disposed on the filter layer. The protective layer is disposed on the second light-blocking layer. The width of the second opening of the second light-blocking layer is greater than the width of the first opening of the first light-blocking layer.

A display device a method for manufacturing the same and the electronic device are provided. The display device includes a substrate, connection electrodes above the substrate, light-emitting elements respectively above the connection electrodes, and including a semiconductor stack including a first semiconductor layer, an active layer, and a second semiconductor layer, an etch-stop layer above the semiconductor stack, and an insulating layer surrounding a side surface of the semiconductor stack in plan view, and having one end substantially level with a top surface of the etch-stop layer, and a common electrode above the light-emitting elements.

A display device includes: a substrate; pixel electrodes on the substrate; and light emitting elements on the pixel electrodes, where each of the light emitting elements includes: a semiconductor stack including a first semiconductor layer, an active layer on the first semiconductor layer, and a second semiconductor layer on the active layer; light extraction patterns on a light output surface of the semiconductor stack and including groove portions that are spaced from an end of the light output surface and protrusion portions around the groove portions; and a protective layer covering side surfaces of the semiconductor stack, and where the light emitting elements include the light extraction patterns having a same shape.

A display device includes a lower substrate, light emitting elements disposed on the lower substrate, a passivation layer covering side surfaces of the light emitting elements, an insulating layer disposed on the passivation layer and including a groove surrounding the light emitting elements, and a reflective film disposed on the groove and surrounding the side surfaces of the light emitting elements.

A light-emitting diode structure and a manufacturing method thereof are provided. The light-emitting diode structure includes a substrate, multiple light-emitting diode units, and a reflective layer. The light-emitting diode units are arranged in arrays on the substrate. Each of the light-emitting diode units includes a light-emitting diode chip, a wavelength conversion layer, and a short-pass filter coating. The light-emitting diode chip is disposed on the substrate in a flip-chip manner. The wavelength conversion layer is disposed on the light-emitting diode chip. The short-pass filter coating is disposed between the wavelength conversion layer and the light-emitting diode chip. The reflective layer is filled in a gap between the light-emitting diode chips of the light-emitting diode units and is disposed on a side surface of the light-emitting diode chips.

Provided is a display apparatus including a display panel including a plurality of light-emitting diodes disposed on a substrate, and a window disposed on the display panel and covering the display panel, wherein the window includes a first portion having a first refractive index, and a second portion having a second refractive index different from the first refractive index, and in a plan view, the first portion and the second portion are disposed alternately with each other.

The present disclosure relates to a display panel and method of manufacturing the same. A display panel comprises a display region and a non-display region disposed outside the display region such that a curved boundary line is between the display region and the non-display region. A plurality of light-emitting elements are in the display region such that the plurality of light-emitting elements are disposed in the display region inside the curved boundary line and the non-display region outside the curved boundary line lacks any light-emitting elements.

A display device includes a circuit substrate, first and second light emitting units disposed on the circuit substrate, and first and second light collection structures. The first light collection structure corresponds to the first light emitting unit, and the second light collection structure corresponds to the second light emitting unit. In a top-view direction, there is a first distance between the first light emitting unit and the first light collection structure, there is a second distance between the second light emitting unit and the second light collection structure, the first light collection structure has a first diameter, and the first distance, the second distance and the first diameter satisfy: |C1C2|D1, where C1 represents the first distance, C2 represents the second distance, D1 represents the first diameter, and C1 and C2 are each not equal to zero.

A display device includes: a substrate; a first reflective layer on the substrate and including at least one lower sub-insulating layer which includes a first sub-layer having a first refractive index and a second sub-layer on the first sub-layer and having a second refractive index different from the first refractive index; a first light-emitting element on the first reflective layer and configured to emit light of a first color; a first reflective bulkhead spaced apart from the first light-emitting element and provided at opposite sides of the first light-emitting element; and a reflective electrode under the first light-emitting element and overlapping the first reflective bulkhead in a plan view.

Provided is a display substrate, including: a base substrate; a plurality of conductive patterns on base substrate; a plurality of light-emitting elements on base substrate, where the plurality of light-emitting elements are arranged in array and spaced apart from each other, and at least one light-emitting element includes a first electrode, a first type semiconductor layer, a light-emitting layer, a second type semiconductor layer, and a second electrode, first electrode is electrically connected to conductive pattern, first type semiconductor layer is located on a side of first electrode, light-emitting layer is located on a side of first type semiconductor layer, second type semiconductor layer is located on a side of light-emitting layer, and second electrode is located on a side of second type semiconductor layer; and a conductive light-shielding portion on base substrate, located in a gap between two adjacent light-emitting elements, and being electrically connected to second electrode.