A lighting device, including: a lamp housing and a lamp cap connected to each other and formed a closed space; at least one light-emitting diode filament disposed in the closed space; and a stem connected to the lamp cap and electrical conducted with the light-emitting diode filament, wherein the light-emitting diode filament includes: a chip strip structure; a light conversion unit wrapping the chip strip structure; and electrodes located at two ends of the chip strip structure respectively and electrically connected thereto, wherein at least part of the electrodes are wrapped in the light conversion unit; the chip strip structure includes a substrate with a first end and a second end, and a deposition segment located between the first end and the second end; and the deposition segment includes a plurality of deposition units with a connecting layer disposed therebetween, and a conductor layer electrically connects the deposition units.

A display device includes: a first subpixel; a second subpixel; a pixel circuit layer including a pixel circuit; a first subpixel area formed by the first subpixel; a second subpixel area formed by the second subpixel; a 1-1 light-emitting element on the pixel circuit layer, a 1-2 light-emitting element on the 1-1 light-emitting element, and a 1-3 light-emitting element on the 1-2 light-emitting element, wherein the 1-1 light-emitting element, the 1-2 light-emitting element, and 1-3 light-emitting element are in the first sub-pixel area; and a 2-1 light-emitting element on the pixel circuit layer, a 2-2 light-emitting element on the 2-1 light-emitting element, and a 2-3 light-emitting element on the 2-2 light-emitting element, wherein the 2-1 light-emitting element, the 2-2 light-emitting element, and the 2-3 light-emitting element are in the second subpixel area, wherein the 1-3 light-emitting element is not electrically connected to the pixel circuit.

A display device includes pixels including light-emitting elements disposed in each emission area. Each of the pixels includes at least one array including the light-emitting elements and disposed in the emission area, and a number of the light-emitting elements disposed in each of arrays of the pixels is greater than aa minimum number of the light-emitting elements in the each of the arrays having a normal distribution or Poisson distribution.

A polychrome micro LED pixel includes at least two light emitting structures, and each of the at least two light emitting structures includes at least two sub-pixels. A micro LED display panel includes an integrated circuit (IC) backplane including a bottom pad array, the bottom pad array including a plurality of groups of bottom pads; and a micro LED array formed on the IC backplane, the micro LED array including a plurality of polychrome micro LED pixels. One micro LED pixel of the plurality of micro LED pixels is electrically connected with one group of bottom pads of the plurality of groups of bottom pads.

A method of manufacturing an optoelectronic device including the steps of manufacturing of the display pixel circuits, each comprising an emission surface, and on the surface, walls delimiting at least one cavity, of bonding of the display pixel circuits to a support, and of filling of the at least one cavity of each display pixel circuit with a first filling material to form a first color conversion module in the cavity.

A display device includes multiple layout units arranged in array and multiple light emitting elements disposed in the layout units. Each layout unit includes multiple pixel units, multiple repair units and a common electrode. Each pixel unit includes multiple sub-pixel units, and each sub-pixel unit includes a pixel electrode. One of the repair units is used to repair any one of three of the sub-pixel units, and each repair unit includes a repair electrode. In each layout unit, the number of the repair electrodes is smaller than the number of the pixel electrodes. Each light emitting element includes a first pad electrically connected to the pixel electrode or the repair electrode, and a second pad electrically connected to the common electrode. The light emitting elements have a shortest connecting line between the first pad and the second pad apiece while the shortest connecting lines are parallel to each other.

A display device includes two transparent display units and a detachable transparent coupler. Each transparent display unit includes a first substrate, a second substrate and a display component disposed between the first substrate and the second substrate. The detachable transparent coupler is assembled between the two transparent display units. At a first side of the display device, a portion of the detachable transparent coupler protrudes from at least one of the first substrate and the second substrate of one of the two transparent display units.

A substrate, having edges, a device region, and at least one bonding region, includes a base, device groups, signal line groups, and conductive patterns. The device groups are along first and second directions. The signal line groups are on the same side as the device groups. A signal line group includes signal lines extending along the second direction, and arranged at intervals along the first direction. Any signal line extends from a bonding region to the device region, and is electrically connected to a column of device groups. The conductive patterns are on the same side as the device groups. At least one conductive pattern is in a region where a device group is located, and/or at least one conductive pattern is in a region between two adjacent device groups. At least one signal line in at least one signal line group is electrically connected to a conductive pattern.

A pixel module includes a substrate, a first sub-pixel unit, and a second sub-pixel unit. The first sub-pixel unit is disposed on the substrate, and includes a first light-emitting unit, a second light-emitting unit, and a light-transmitting layer. The first light-emitting unit and the second light-emitting unit are connected in series through the light-transmitting layer and are located on the same side of the light-transmitting layer. The second sub-pixel unit is disposed on the substrate, and the first sub-pixel unit and the second sub-pixel unit can emit different color lights.

A display module includes: a substrate, a first dielectric layer, a second dielectric layer and a plurality of color filters. The substrate is disposed with a plurality of light-emitting diodes (LEDs) thereon. The LEDs have a non-smooth upper surface. The first dielectric layer is located on the substrate and surrounding the LEDs. The first dielectric layer is filled between the substrate and the second dielectric layer, and a refractive index of the second dielectric layer is greater than a refractive index of the first dielectric layer. The color filters are located on a side of the second dielectric layer opposite to the first dielectric layer.