The display apparatus includes a plurality of light emitting device units each including: a light generating unit 11, 21, or 31; a wavelength conversion layer 12, 22, or 32 including a color conversion layer 13, 23, or 33 that includes a particulate color conversion material; and a first light emitting device 10, a second light emitting device 20, or a third light emitting device 30 including a wavelength selection layer 14, 24, or 34. The wavelength of light emitted from the third wavelength selection layer 34 is longer than the wavelength of light emitted from the second wavelength selection layer 24 and the wavelength of light emitted from the first wavelength selection layer 14. The wavelength of light emitted from the second wavelength selection layer 24 is longer than the wavelength of light emitted from the first wavelength selection layer 14. Further, T.sub.1<T.sub.2≤T.sub.3 is satisfied, where T.sub.1 denotes the thickness of the first color conversion layer 14, T.sub.2 denotes the thickness of the second color conversion layer 24, and T.sub.3 denotes the thickness of the third color conversion layer 34.

A display device includes a plurality of display units and a reflector. The plurality of display units emits display light representing an image to be displayed from a display screen. The reflector is disposed to face the display screen of each of the plurality of display units and reflects the display light emitted from each of the plurality of display units.

A display panel has a display region and at least one bonding region located beside the display region. The display panel includes: a base; and a plurality of conductive pads provided on the base and located in each bonding region. The plurality of conductive pads are arranged at intervals along a first direction. The plurality of conductive pads include at least one first type of conductive pad configured to transmit a direct current voltage signal to the display region and a plurality of second type of conductive pads configured to transmit a pulse voltage signal to the display region. A dimension of one first type of conductive pad in the first direction is greater than a dimension of one second type of conductive pad in the first direction.

A display device includes a display panel in which first holes arranged in a first direction and a second direction that intersects the first direction are defined, and a first panel bottom member which is disposed on one surface of the display panel and in which second holes arranged in the first and second directions are defined. A maximum length of a second hole among the second holes in the first direction satisfies “e×(a+c)” where a denotes a maximum length of a first hole among the first holes in the first direction, c denotes a minimum distance between neighboring first holes among the first holes in the first direction, and e is a positive integer.

The disclosure relates to the technical field of display, and provides a flexible display screen, a method for deformably driving the same, and a display device. The flexible display screen includes a flexible display panel and a deformable driver disposed on a back surface of the flexible display panel. The deformable driver drives the flexible display panel to deform based on the electrodeformation. The deformable driver includes a plurality of deformable units arranged in an array. The flexible display screen can achieve deformation with a variety of degrees of freedom, and can precisely control the deformation, thereby easy to achieve ultra-thin screen design.

A thin film transistor array panel includes a substrate and a thin film transistor disposed on a surface of the substrate. The thin film transistor includes a semiconductor, a source electrode, and a drain electrode that are disposed on a same layer as one another. The semiconductor is between the source electrode and the drain electrode. The thin film transistor array panel further includes a buffer layer disposed between the semiconductor and the substrate and including an inorganic insulating material. The first edge of the buffer layer is substantially parallel to an adjacent edge of the semiconductor, a second edge of the buffer layer is substantially parallel to an adjacent edge of the source electrode, and a third edge of the buffer layer is substantially parallel to an adjacent edge of the drain electrode.

An electronic device has a structure in which two portions between which a bent portion of a display panel is positioned are each fixed to a housing. The electronic device takes two forms of a form in which the display panel is opened and a form in which the display panel is folded in three. The electronic device includes a mechanism for sliding two housings parallel to each other. The display panel is changed in shape so that a portion where a display surface of the display panel is convexly curved and a portion where the display surface of the display panel is concavely curved in the folded state move in directions parallel and opposite to each other. At this time, the two portions of the display panel which are supported by the housings are slid while their display surfaces maintain a state parallel to each other.

A method of fabricating a light emitting device comprises providing a mold having an unpolished surface with an arithmetic mean roughness R.sub.a in a range from 0.1 μm to 10 μm, depositing a thin polymer film over the surface of the mold, wherein the film has a thickness in a range from 1 μm to 100 μm, positioning a light emitting body onto the thin polymer film, wherein the light emitting body includes an anode, a cathode, and a light emitting layer positioned between the anode and the cathode, and separating the thin polymer film with the light emitting body from the mold. A light emitting device is also described.

In a display device, the metal layer includes a plurality of openings, and electrode pads having an island shape overlap one or more of the plurality of openings via an insulating film including at least a flattening film.

A display device may include a wiring pad and a dummy pad disposed on a substrate and spaced apart from each other, a planarization layer disposed over the wiring pad and the dummy pad, a first insulating layer disposed on the planarization layer, the first insulating layer exposing a portion of the planarization layer, a first pad electrode and a second pad electrode disposed on the planarization layer and the first insulating layer, the first pad electrode electrically connected to the wiring pad and the second pad electrode electrically connected to the dummy pad, a second insulating layer disposed on the first pad electrode and the second pad electrode, conductive particles disposed on the first pad electrode and the second pad electrode, the conductive particles having a cylindrical shape, and an external device disposed on the conductive particles.