This disclosure relates to a display substrate. The display substrate includes: a backplate, and a light-emitting device and a thin film encapsulation layer which are successively formed on the backplate, wherein the backplate includes a display area, the display area includes a plurality of pixel areas arranged in an array; the display substrate further includes an electrochromic unit arranged on a side, away from the backplate, of the thin film encapsulation layer, wherein the electrochromic unit includes at least a first area, and projection of the first area onto the backplate covers the pixel areas; the electrochromic unit is in a transparent state when the light-emitting device emits light, and the electrochromic unit is in a black state when the light-emitting device does not emit light. This disclosure also relates to a display apparatus and a display substrate manufacture method.

An electronic device includes a display panel. The display panel includes a substrate, a light blocking layer disposed on the substrate, the light blocking layer including a first opening that defines a transmission area, at least one lower insulating layer disposed between the light blocking layer and the substrate, the at least one lower insulating layer including a second opening that overlaps the first opening, pixel circuits disposed on the light blocking layer, light emitting elements electrically connected to the pixel circuits, and an encapsulation layer overlapping the light emitting elements.

A display device is disclosed that includes a substrate including a display area and a non-display area, touch electrodes disposed in the display area, touch lines disposed in the non-display area and connected to the touch electrodes, a first power supply line disposed in the non-display area and having a first power supply voltage applied thereto, and a second power supply line disposed in the non-display area and having a second power supply voltage applied thereto, the second power supply voltage being higher than the first power supply voltage. Any one of the touch lines overlaps at least one of the first power supply line and the second power supply line. The first power supply line overlaps the second power supply line.

A device having a layered structure that includes a layer of phase change material and a matrix material layer having embedding quantum emitters is tuned. An electric field is applied through the matrix material layer and the layer of phase change material to change the emission wavelengths of the quantum emitters. A phase of the phase change material is changed, in a non-volatile manner, in each of one or more of local areas of the phase change material, to form local alterations that are opposite to respective ones of the quantum emitters in the matrix material layer, to locally modify the electric field at the respective quantum emitters.

A display panel includes: a substrate including a component area and a main area surrounding at least a portion of the component area, the component area including a pixel area and a transmission area; a display element layer on the substrate, the display element layer including a first display element overlapping the pixel area of the component area in a plan view, a second display element overlapping the pixel area of the component area, and a pixel defining layer defining therein a first opening and a second opening defining an emission area of the first display element and an emission area of the second display element, respectively; and an anti-reflective layer on the display element layer, the anti-reflective layer including a black matrix defining therein a first upper opening overlapping the first opening and the second opening, and a first color filter overlapping the first upper opening.

An organic device may include a substrate, first electrodes located on top of the substrate, organic layers located on top of the first electrodes, and a second electrode located on top of the organic layers. When seen along a direction normal to the substrate, the organic device may include a display area including a first display area and a second display area. The first display area may include the organic layers distributed at a first density. The second display area may include the organic layers distributed at a second density that is lower than the first density. The second electrode may include a wide-area electrode spreading in a gapless manner in the first display area and two or more electrode lines overlapping the organic layers in the second display area. Each of the electrode lines includes an end connected to the wide-area electrode.

A display panel and a display apparatus are provided. The display panel comprises a display area, and a non-display area, data lines and connecting lines that are located in display area, pads, a substrate, and a light-shielding structure located in the display area and located at a side of the connecting line away from the substrate. The data line extends in a first direction, and the connecting line includes one end coupled with the data line and another end coupled with the pad. The data lines and the connecting lines are located at a same side of the substrate. In a direction perpendicular to a plane of the substrate, the light-shielding structure overlaps with at least one of line segments of the connecting line.

A display apparatus includes a display element disposed on a substrate; an encapsulation layer disposed on the display element; a light-blocking layer disposed on the encapsulation layer and including a first opening at a location corresponding to an emission area of the display element; a first refractive layer disposed on the light-blocking layer and including a second opening overlapping the first opening of the light-blocking layer; and a second refractive layer disposed on the first refractive layer, the second refractive layer having a refractive index that is higher than a refractive index of the first refractive layer.

A display panel includes a pixel electrode, a common electrode which faces the pixel electrode, an auxiliary electrode spaced apart from the pixel electrode and connected to the common electrode, and a first functional layer between the pixel electrode and the common electrode, the first functional layer extending from the pixel electrode to the auxiliary electrode. The common electrode which is connected to the auxiliary electrode includes in order in a direction away from the first functional layer, a first layer including a transparent conductive material and having a thickness of about 500 angstroms to about 6000 angstroms, and a second layer including a conductive material and having a thickness of about 10 angstroms to about 100 angstroms.

A high-resolution display device is provided. A display device having both high display quality and high resolution is provided. The display device is provided with a structure that inhibits a reduction in contrast due to the light guided by a layer extending across light-emitting elements. A structure body that absorbs or reflects visible light is provided between adjacent light-emitting elements. This structure body absorbs or reflects the light emitted from a light-emitting element and traveling toward an adjacent pixel, whereby a reduction in contrast due to stray light is inhibited.