H01L24/05

DISPLAY DEVICE AND METHOD FOR FABRICATION THEREOF
20230053037 · 2023-02-16 ·

A display device and method for fabrication thereof includes a plurality of pixel electrodes and common electrode connection parts that are spaced from each other on a first substrate, a plurality of light emitting elements on the plurality of pixel electrodes, a plurality of common electrode elements on the common electrode connection parts, and a common electrode layer on the plurality of light emitting elements and the plurality of common electrode elements, wherein each of the plurality of light emitting element includes a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer, each of the plurality of common electrode elements includes at least the second semiconductor layer, and the common electrode layer includes a same material as the second semiconductor layer to be connected to the second semiconductor layers of the plurality of light emitting elements.

DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME
20230049315 · 2023-02-16 ·

A display device includes first pixel circuit unit, second pixel circuit unit, third pixel circuit unit, and fourth pixel circuit unit spaced from one another, first pixel electrode on the first pixel circuit unit, second pixel electrode on the second pixel circuit unit, third pixel electrode on the third pixel circuit unit, fourth pixel electrode on the fourth pixel circuit unit, first light-emitting element electrically connected to the first pixel electrode, the first light-emitting element configured to emit first light, second light-emitting element electrically connected to the second pixel electrode, the second light-emitting element configured to emit second light, and third light-emitting element electrically connected to the third pixel electrode, the third light-emitting element configured to emit third light. A length of the first light-emitting element in a first direction is greater than each of a length of the second and third light-emitting elements in the first direction.

SEMICONDUCTOR PACKAGE AND METHOD OF FORMING THE SAME

A semiconductor package and a method of forming the same are provided. The semiconductor package includes: a semiconductor substrate having a front side and a back side, the semiconductor substrate having a chip area and a dummy area; a front structure below the front side, and including an internal circuit, an internal connection pattern, a guard pattern, and a front insulating structure; a rear protective layer overlapping the chip area and the dummy area, and a rear protrusion pattern on the rear protective layer and overlapping the dummy area, the rear protective layer and the rear protrusion pattern being on the back side; a through-electrode structure penetrating through the chip area and the rear protective layer, and electrically connected to the internal connection pattern; and a rear pad electrically connected to the through-electrode structure. The internal circuit and the internal connection pattern are below the chip area, and the guard pattern is below the chip area adjacent to the dummy area.

DISPLAY DEVICE AND METHOD FOR FABRICATION THEREOF

A display device and method for fabrication thereof are provided. The display device includes a first substrate, pixel electrodes on the first substrate, light emitting elements respectively on the pixel electrodes, and including first semiconductor layers, second semiconductor layers, active layers respectively between the first semiconductor layers and the second semiconductor layers, a first light emitting element including a first active layer of the active layers, a second light emitting element including a second active layer of the active layers that is different from the first active layer, a third light emitting element including a third active layer of the active layers that is different from the first and second active layers, and a fourth light emitting element including a fourth active layer of the active layers that is different from the first to third active layers, and a common electrode layer on the light emitting elements.

Dual-Side Folded Source Driver Outputs of a Display Panel Having a Narrow Border
20230045931 · 2023-02-16 ·

An electronic device has a display substrate including a display area, a driver area, and a fan-out area. The fan-out area has interconnects that provide electrical accesses to display elements on the display area. A driver chip is disposed on the driver area and includes a first edge adjacent to the display area, two side edges connected to the first edge, and a plurality of pad groups. Each pad group includes a row of electronic pads that are electrically coupled to a subset of display elements via a subset of interconnects routed on the fan-out area. The pad groups include a first pad group and a second pad group disposed immediately adjacent to the first pad group. A first subset of interconnects cross one of the two side edges, and extend above a gap between rows of the first and second pad groups to reach the first pad group.

GALVANIC HIGH VOLTAGE ISOLATION CAPABILITY ENHANCEMENT ON REINFORCED ISOLATION TECHNOLOGIES

A microelectronic device includes a semiconductor substrate and a high voltage isolation capacitor over the substrate. The capacitor includes a bottom capacitor plate over the substrate. Dielectric layers are formed above the bottom capacitor plate, including a top dielectric layer. A high dielectric layer on the top dielectric layer includes at least a first sublayer having a first dielectric constant that is higher than a dielectric constant of the top dielectric layer. A top capacitor plate is formed on the high dielectric layer over the bottom capacitor plate. An electric field abatement structure surrounds the top capacitor plate. The electric field abatement structure includes a shelf of the high dielectric layer extending outward from a lower corner of the bottom capacitor plate at least 14 microns, and an isolation break in the high dielectric layer past the shelf, in which the first sublayer is removed from the isolation break.

WLCSP package with different solder volumes
11581280 · 2023-02-14 · ·

The present disclosure is directed to a wafer level chip scale package (WLCSP) with various combinations of contacts and Under Bump Metallizations (UBMs) having different structures and different amounts solder coupled to the contacts and UBMs. Although the contacts have different structures and the volume of solder differs, the total standoff height along the WLCSP remains substantially the same. Each portion of solder coupled to each respective contact and UBM includes a point furthest away from an active surface of a die of the WLCSP. Each point of each respective portion of solder is co-planar with each other respective point of the other respective portions of solder. Additionally, the contacts with various and different structures are positioned accordingly on the active surface of the die of the WLCSP.

Sintering method using a sacrificial layer on the backside metallization of a semiconductor die
11581194 · 2023-02-14 · ·

An electronic device comprises a semiconductor die, a layer stack disposed on the semiconductor die and comprising one or more functional layers, wherein the layer stack comprises a protection layer which is an outermost functional layer of the layer stack, and a sacrificial layer disposed on the protection layer, wherein the sacrificial layer comprises a material which decomposes or becomes volatile at a temperature between 100° and 400° C.

Semiconductor module and wire bonding method

A semiconductor module includes at least two semiconductor elements connected in parallel; a control circuit board placed between the at least two semiconductor elements; a control terminal for external connection; a first wiring member that connects the control terminal and the control circuit board; and a second wiring member that connects a control electrode of one of the at least two semiconductor elements and the control circuit board, wherein the second wiring member is wire-bonded from the control electrode towards the control circuit board, and has a first end on the control electrode and a second end on the control circuit board, the first end having a cut end face facing upward normal to a surface of the control electrode and the second end having a cut end face facing sideways parallel to a surface of the control circuit board.

Semiconductor package with under-bump metal structure

A semiconductor package includes a redistribution structure including an insulating layer and a redistribution layer on the insulating layer, and having a first surface and a second surface opposing the first surface, and an under-bump metal (UBM) structure including an UBM pad protruding from the first surface of the redistribution structure, and an UBM via penetrating through the insulating layer and connecting the redistribution layer and the UBM pad. A lower surface of the UBM via has a first area in contact with the UBM pad, and a second area having a step configuration relative to the first area and that extends outwardly of the first area.