Discussed is a plurality of semiconductor light-emitting devices, wherein at least one of the semiconductor light-emitting devices includes: a first conductive electrode and a second conductive electrode; a first conductive semiconductor layer having the first conductive electrode arranged thereon; a second conductive semiconductor layer overlapping the first conductive semiconductor layer and having the second conductive electrode arranged thereon; an active layer arranged between the first conductive semiconductor layer and the second conductive semiconductor layer; an intermediate layer arranged on the second conductive semiconductor layer; a protrusion, made of an electro-polishable porous material, on the intermediate layer; and an undoped semiconductor layer arranged between the intermediate layer and the protrusion. The intermediate layer includes a first layer including second conductive impurities and a second layer having a higher concentration of the second conductive impurities than the first layer, wherein the first layer and the second layer are sequentially and repetitively stacked.

A micro light-emitting display apparatus and a method of manufacturing the same are disclosed The micro light-emitting display apparatus includes a first semiconductor layer, an isolation structure provided on the first semiconductor layer and configured to define a plurality of sub-pixels each configured to emit light, a first light-emitting unit including a first active layer provided in a first sub-pixel among the plurality of sub-pixels, and a second semiconductor layer provided on the first active layer, and a second light-emitting unit including a rod semiconductor layer provided in a second sub-pixel among the plurality of sub-pixels, a second active layer provided on the rod semiconductor layer, and a third semiconductor layer provided on the second active layer. The first active layer is configured to emit blue light and the second active layer is configured to emit green light.

A display device includes display devices each including a display area and a non-display area adjacent to the display area, the display area of each of the display devices including a pixel, and a substrate on which each of the display devices is disposed. Each of the display devices includes a thin film transistor layer disposed on the substrate and including a thin film transistor, and a connection line electrically connected to the thin film transistor and disposed in the non-display area on the substrate. Connection lines of display devices adjacent to each other among the plurality of display devices are disposed staggered with respect to each other.

A display device including a first substrate structure, a second substrate structure and an adhesive layer is provided by the present disclosure. The first substrate structure includes a first recess. The second substrate structure is disposed opposite to the first substrate structure. The adhesive layer is sandwiched between the first substrate structure and the second substrate structure, wherein a part of the adhesive layer is filled in the first recess.

A transparent display includes a first transparent substrate, pixel structures, first electrodes, and second electrodes. The pixel structures are located on the first transparent substrate. Each pixel structure includes light-emitting elements. A pitch of adjacent light emitting elements in each pixel structure is 0.17 mm to 0.34 mm. A pitch of adjacent pixel structures is 3.4 mm to 15.4 mm. The first electrodes and the second electrodes are electrically connected to the pixel structures.

A display device includes: a first sub-pixel having a first emission area and a first sub-area adjacent to each other in a first direction; and a bank extending around a portion of the first emission area and the first sub-area. The bank includes: a first wall extending around the first sub-area; and a second wall adjacent to the first emission area in a second direction crossing the first direction. The second wall and the first wall are spaced apart from each other in the first direction.

A light-emitting device includes a substrate, a first and second mesa structures disposed on the substrate, at least one current blocking element, at least one conductive bridging element, and first and second conductive pads. The conductive bridging element is disposed on the current blocking element, and is electrically connected to the first and second mesa structures. The first and second conductive pads are electrically connected to the first and second mesa structures, respectively. The conductive bridging element has a projection image that is spaced apart from those of the first and second conductive pads in a plan view of the light-emitting device. A light-emitting module including the light-emitting device, and a display apparatus including the light-emitting device are also disclosed.

A light source module and a display device include a substrate configured to have a plurality of light-emitting regions arranged in an array manner, each light-emitting region is provided with two light-emitting groups, each light-emitting group includes a plurality of light-emitting branches arranged side by side, and two driving chips are disposed in parallel between the two light-emitting groups; and single-layer layout wiring arranged on the substrate, wherein the single-layer layout wiring couples the driving chips within the light-emitting regions to each other and electrically connects each of the driving chips to the light-emitting branches within one of the light-emitting groups.

A display panel including a circuit board having pads thereon, and a plurality of pixel regions arranged on the circuit board, each of the pixel regions including a first LED stack disposed on the circuit board, a first bonding layer disposed between the first LED stack and the circuit board, a second LED stack disposed on the first LED stack, a third LED stack disposed on the second LED stack, first through-vias passing through the first LED stack and the first bonding layer, second through-vias passing through the second LED stack, and third through-vias passing through the third LED stack, in which the first through-vias pass through the first LED stack and the first bonding layer, and are connected to the pads of the circuit board.

A display device can include a substrate including a plurality of pixels, a plurality of light emitting diodes disposed in each of the plurality of pixels, a color conversion member disposed over at least two light emitting diodes among the plurality of light emitting diodes in one pixel, and a light shielding pattern disposed over at least one light emitting diode among the plurality of light emitting diodes in the one pixel for forming a black sub pixel that does not emit light outside of the display device. Also, the color conversion member includes a color conversion layer and a color filter disposed on the color conversion layer.