H01L2224/29444

Connection structure
10959337 · 2021-03-23 · ·

A method for manufacturing connection structure, the method includes arranging a first composite on a first surface of a first member where a first electrode is located and arranging conductive particles on the first electrode, arranging a second composite on a region other than the first electrode of the first surface, arranging the first surface and a second surface of a second member where a second electrode is located, so that the first electrode and the second electrode are opposed to each other, pressing the first member and the second member, and curing the first composite and the second composite.

Connection structure
10959337 · 2021-03-23 · ·

A method for manufacturing connection structure, the method includes arranging a first composite on a first surface of a first member where a first electrode is located and arranging conductive particles on the first electrode, arranging a second composite on a region other than the first electrode of the first surface, arranging the first surface and a second surface of a second member where a second electrode is located, so that the first electrode and the second electrode are opposed to each other, pressing the first member and the second member, and curing the first composite and the second composite.

MICRO LED DISPLAY AND MANUFACTURING METHOD THEREOF

A micro LED display manufacturing method according to various embodiments may include: a first operation of bonding an anisotropic conductive film including a plurality of conductive particles onto one surface of a prepared substrate, the one surface including a circuit part; a second operation of forming a bonding layer on the anisotropic conductive film; a third operation of positioning a plurality of micro LED chips above the bonding layer, the micro LED chips being arranged on a carrier substrate while being spaced a first distance apart from the substrate; a fourth operation of attaching the plurality of micro LED chips onto the bonding layer by means of laser transfer; and a fifth operation of forming a conductive structure for electrically connecting a connection pad to the circuit part through the conductive particles by means of heating and pressurizing.

MICRO LED DISPLAY AND MANUFACTURING METHOD THEREOF

A micro LED display manufacturing method according to various embodiments may include: a first operation of bonding an anisotropic conductive film including a plurality of conductive particles onto one surface of a prepared substrate, the one surface including a circuit part; a second operation of forming a bonding layer on the anisotropic conductive film; a third operation of positioning a plurality of micro LED chips above the bonding layer, the micro LED chips being arranged on a carrier substrate while being spaced a first distance apart from the substrate; a fourth operation of attaching the plurality of micro LED chips onto the bonding layer by means of laser transfer; and a fifth operation of forming a conductive structure for electrically connecting a connection pad to the circuit part through the conductive particles by means of heating and pressurizing.

Use of adhesive films for 3D pick and place assembly of electronic components
10964660 · 2021-03-30 · ·

An electronic device assembly includes one or more discrete electronic components mounted onto a substrate having a 3D, 2.5D, or N2D geometric classification. The substrate surface includes a specific mounting location to which an electronic component is to be electrically connected, where each specific mounting location includes one or more electrical connection points, such as contact pads. An anisotropic conductive film (ACF) is applied to the substrate surface covering the one or more electrical connection points of the specific mounting location, and the electronic component is placed on the ACF and properly aligned with the specific mounting location on the substrate surface. Pressure and heat are applied to compress the ACF to form an electrical interconnection between corresponding pairs of the electrical connection points on the electronic device and the specific mounting location on the substrate surface.

Use of adhesive films for 3D pick and place assembly of electronic components
10964660 · 2021-03-30 · ·

An electronic device assembly includes one or more discrete electronic components mounted onto a substrate having a 3D, 2.5D, or N2D geometric classification. The substrate surface includes a specific mounting location to which an electronic component is to be electrically connected, where each specific mounting location includes one or more electrical connection points, such as contact pads. An anisotropic conductive film (ACF) is applied to the substrate surface covering the one or more electrical connection points of the specific mounting location, and the electronic component is placed on the ACF and properly aligned with the specific mounting location on the substrate surface. Pressure and heat are applied to compress the ACF to form an electrical interconnection between corresponding pairs of the electrical connection points on the electronic device and the specific mounting location on the substrate surface.

DISPLAY PANEL AND MANUFACTURING METHOD OF THE DISPLAY PANEL
20210013169 · 2021-01-14 ·

A display panel is manufactured that includes a first panel substrate, a second panel substrate that is opposite the first panel substrate and has a protruding portion protruding from the first panel substrate, and a wiring board connected to the protruding portion of the second panel substrate. A manufacturing method of the display panel includes: overlapping protruding terminals and wiring terminals with the protruding terminals and the wiring terminals being opposite each other through an anisotropic conductive film; exposing the conductive layer on a surface of particles, located between the protruding terminals and the wiring terminals that are opposite each other, of the particles in the anisotropic conductive film; and curing the curable resin layer of particles, located in regions between the protruding terminals or regions between the wiring terminals when viewed in a normal direction of the second panel substrate, of the particles in the anisotropic conductive film.

DISPLAY PANEL AND MANUFACTURING METHOD OF THE DISPLAY PANEL
20210013169 · 2021-01-14 ·

A display panel is manufactured that includes a first panel substrate, a second panel substrate that is opposite the first panel substrate and has a protruding portion protruding from the first panel substrate, and a wiring board connected to the protruding portion of the second panel substrate. A manufacturing method of the display panel includes: overlapping protruding terminals and wiring terminals with the protruding terminals and the wiring terminals being opposite each other through an anisotropic conductive film; exposing the conductive layer on a surface of particles, located between the protruding terminals and the wiring terminals that are opposite each other, of the particles in the anisotropic conductive film; and curing the curable resin layer of particles, located in regions between the protruding terminals or regions between the wiring terminals when viewed in a normal direction of the second panel substrate, of the particles in the anisotropic conductive film.

Anisotropic electrically conductive film and connection structure
10892243 · 2021-01-12 · ·

An anisotropic electrically conductive film includes electrically conductive particles disposed in an electrically insulating adhesive layer. The particles are arranged at a predetermined pitch along first axes, arranged side by side, and are substantially spherical. The particle pitch at the first axes and the axis pitch of the first axes are both greater than or equal to 1.5D, D being an average particle diameter of the particles. Directions of all sides of a triangle formed by a particle (P0), which is one of the electrically conductive particles at one of the first axes, an electrically conductive particle (P1), which is at the one of the first axes and adjacent to the particle (P0), and an electrically conductive particle (P2), which is at another one of the first axes that is adjacent to the one of the first axes, are oblique to a film width direction of the conductive film.

Methods of forming power electronic assemblies using metal inverse opal structures and encapsulated-polymer spheres

A method of forming a bonding assembly that includes positioning a plurality of polymer spheres against an opal structure and placing a substrate against a second major surface of the opal structure. The opal structure includes the first major surface and the second major surface with a plurality of voids defined therebetween. The plurality of polymer spheres encapsulates a solder material disposed therein and contacts the first major surface of the opal structure. The method includes depositing a material within the voids of the opal structure and removing the opal structure to form an inverse opal structure between the first and second major surfaces. The method further includes removing the plurality of polymer spheres to expose the solder material encapsulated therein and placing a semiconductor device onto the inverse opal structure in contact with the solder material.