A method of forming a semiconductor package is provided. The method includes forming a metallization stack over a semiconductor die. Polymer particles are mounted over the metallization stack. Each of the polymer particles is coated with a first bonding layer. A heat spreader lid is bonded with the semiconductor die by reflowing the first bonding layer. A composite thermal interface material (TIM) structure is formed between the heat spreader lid and the semiconductor die during the bonding. The composite TIM structure includes the first bonding layer and the polymer particles embedded in the first bonding layer.

A semiconductor device with a connection pad in a substrate, the connection pad having an exposed surface made of a metallic material that diffuses less readily into a dielectric layer than does a metal of a wiring layer connected thereto.

A display device includes a first planarization film including an opening, a reflective film provided on an inclined surface inside the opening in the first planarization film, an LED chip surrounded by the reflective film and provided inside the opening, and a second planarization film provided on the first planarization film, surrounding the LED chip, and filling the opening, wherein a height from an upper end of the inclined surface of the first planarization film to an interface with air in the second planarization film is 20 μm or less.

A light-emitting device includes a carrier, a light-emitting element and a connection structure. The carrier includes a first electrical conduction portion. The light-emitting element includes a first light-emitting layer capable of emitting first light and a first contact electrode formed under the light-emitting layer. The first contact electrode is corresponded to the first electrical conduction portion. The connection structure includes a first electrical connection portion and a protective portion surrounding the first contact electrode and the first electrical connection portion. The first electrical connection portion includes an upper portion, a lower portion and a neck portion arranged between the upper portion and the lower portion. An edge of the upper portion is protruded beyond the neck portion, and an edge of the lower portion is protruded beyond the upper portion.

A light-emitting device includes a carrier, a light-emitting element and a connection structure. The carrier includes a first electrical conduction portion. The light-emitting element includes a first light-emitting layer capable of emitting first light and a first contact electrode formed under the light-emitting layer. The first contact electrode is corresponded to the first electrical conduction portion. The connection structure includes a first electrical connection portion and a protective portion surrounding the first contact electrode and the first electrical connection portion. The first electrical connection portion includes an upper portion, a lower portion and a neck portion arranged between the upper portion and the lower portion. An edge of the upper portion is protruded beyond the neck portion, and an edge of the lower portion is protruded beyond the upper portion.

Provided are a package structure and a method of forming the same. The package structure includes a first die, a second die group, an interposer, an underfill layer, a thermal interface material (TIM), and an adhesive pattern. The first die and the second die group are disposed side by side on the interposer. The underfill layer is disposed between the first die and the second die group. The adhesive pattern at least overlay the underfill layer between the first die and the second die group. The TIM has a bottom surface being in direct contact with the first die, the second die group, and the adhesive pattern. The adhesive pattern separates the underfill layer from the TIM.

Provided are a package structure and a method of forming the same. The package structure includes a first die, a second die group, an interposer, an underfill layer, a thermal interface material (TIM), and an adhesive pattern. The first die and the second die group are disposed side by side on the interposer. The underfill layer is disposed between the first die and the second die group. The adhesive pattern at least overlay the underfill layer between the first die and the second die group. The TIM has a bottom surface being in direct contact with the first die, the second die group, and the adhesive pattern. The adhesive pattern separates the underfill layer from the TIM.

A semiconductor packaging structure includes a die including a bond pad and a first metal layer structure disposed on the die, the first metal layer structure having a first width, the first metal layer structure including a first metal layer, the first metal layer electrically coupled to the bond pad. The semiconductor packaging structure also includes a first photosensitive material around sides of the first metal layer structure and a second metal layer structure disposed over the first metal layer structure and over a portion of the first photosensitive material, the second metal layer structure electrically coupled to the first metal layer structure, the second metal layer structure having a second width, where the second width is greater than the first width. Additionally, the semiconductor packaging structure includes a second photosensitive material around sides of the second metal layer structure.

A semiconductor packaging structure includes a die including a bond pad and a first metal layer structure disposed on the die, the first metal layer structure having a first width, the first metal layer structure including a first metal layer, the first metal layer electrically coupled to the bond pad. The semiconductor packaging structure also includes a first photosensitive material around sides of the first metal layer structure and a second metal layer structure disposed over the first metal layer structure and over a portion of the first photosensitive material, the second metal layer structure electrically coupled to the first metal layer structure, the second metal layer structure having a second width, where the second width is greater than the first width. Additionally, the semiconductor packaging structure includes a second photosensitive material around sides of the second metal layer structure.

Embodiments include an electronic system and methods of forming an electronic system. In an embodiment, the electronic system may include a package substrate and a die coupled to the package substrate. In an embodiment, the electronic system may also include an integrated heat spreader (IHS) that is coupled to the package substrate. In an embodiment the electronic system may further comprise a thermal interface pad between the IHS and the die. In an embodiment the die is thermally coupled to the IHS by a liquid metal thermal interface material (TIM) that contacts the thermal interface pad.