H01L2224/75651

Substrate with array of LEDs for backlighting a display device
10361176 · 2019-07-23 · ·

An apparatus includes a substrate and a circuit trace having a predetermined pattern disposed on the substrate. A plurality of LEDs are connected to the substrate via the circuit trace. The predetermined pattern is arranged as an array of lines along a surface of the substrate, and the plurality of LEDs are distributed along the lines of the array.

Bonding device

Provided is a bonding apparatus including a table (52), a first reaction member (58A) and a second reaction member (58B), which are each provided movably in a Y axis direction with respect to a pedestal (41). The first and second reaction members are each configured to move in a direction opposite to the table in the Y axis direction when the table moves in the Y axis direction. As viewed in an X axis direction, the first and second reaction members are arranged on both sides of the table, respectively, with the table being interposed between the first and second reaction members, so that the centers of gravity of the first and second reaction members are positioned based on the center of gravity of the table. Consequently, the bonding apparatus can suppress an increase in space, and can improve a weight balance on the pedestal.

Micro light emitting diode transfer-printing devices

The present disclosure relates to a micro light emitting diode (Micro LED) transfer-printing device. A heating device and a movable cooling device are arranged on a rack, wherein a cooling surface of the cooling device is opposite to a heating surface of the heating device. A roller mechanism is arranged between the heating device and the cooling device, and a cyclically rotatable conveyor belt is configured on the roller mechanism. A temperature control glue is configured on an outer surface of the conveyor belt. Compared with the conventional solution, the proposed Micro LED transfer-printing device realizes cyclic absorption and transfer-printing of the Micro LED such that the transfer-printing efficiency may be enhanced.

Semiconductor device on string circuit and method of making the same

An elongated light circuit includes an elongated circuit trace and a plurality of micro-sized, unpackaged LEDs disposed sequentially on the circuit trace. A height of the LEDs ranges from about 12.5 microns to about 200 microns. The elongated circuit trace and the LEDs are coated with a protective coating.

System and method for connecting electronic assemblies

A system for connecting electronic assemblies and/or for manufacturing workpieces has a plurality of modules for connecting the electronic assemblies and/or for manufacturing the workpieces. At least one module is a loading station and one is an unloading station, or one module is a loading station and unloading station. At least one further module is a manufacturing station, and a manufacturing workpiece carrier is provided for accommodating the electronic assemblies and/or workpieces which is movable in automated manner by a conveying unit from the loading station via the manufacturing station to the unloading station. A multiple gripper is provided by which at least two electronic assemblies and/or workpieces are simultaneously placeable onto the manufacturing workpiece carrier. A foil/film transfer unit and a foil/film detachment unit and a manufacturing workpiece carrier with at least two workpieces is provided. A method for connecting electronic assemblies and/or for manufacturing workpieces is provided.

ADHESIVE BONDING COMPOSITION AND ELECTRONIC COMPONENTS PREPARED FROM THE SAME

A curable resin or adhesive composition includes at least one monomer, a photoinitiator capable of initiating polymerization of the monomer when exposed to light, and at least one energy converting material, preferably a phosphor, capable of producing light when exposed to radiation (typically X-rays). The material is particularly suitable for bonding components at ambient temperature in situations where the bond joint is not accessible to an external light source. An associated method includes: placing a polymerizable adhesive composition, including a photoinitiator and energy converting material, such as a down-converting phosphor, in contact with at least two components to be bonded to form an assembly; and, irradiating the assembly with radiation at a first wavelength, capable of conversion (down-conversion by the phosphor) to a second wavelength capable of activating the photoinitiator, to prepare items such as inkjet cartridges, wafer-to-wafer assemblies, semiconductors, integrated circuits, and the like.

Laminating structure of electronic device using transferring element, transferring apparatus for fabricating the electronic device and method for fabricating the electronic device

A laminating structure of an electronic device using a transferring element according to the present disclosure includes a target substrate, a bottom electrode formed on the target substrate, an electronic device which is bonded to the bottom electrode, a top contact formed on the electronic device, a transferring element which is placed between the bottom electrode and the electronic device on the target substrate, and a top electrode connected to the electronic device, wherein the transferring element attached to the carrier substrate comes into contact with the electronic device, and is then transferred onto the target substrate.

Method and apparatus for improved direct transfer of semiconductor die

A system to effectuate improved transfer of semiconductor die. A first frame secures a first substrate having the semiconductor die. A second frame secures a second substrate adjacent the first substrate. A needle is disposed adjacent to the first frame. The needle includes: a longitudinal surface extending in a direction toward the second frame, and a base end having a cross-sectional dimension being based, at least in part, on a cross-sectional dimension of the semiconductor die. A needle actuator is operably connected to the needle and is configured to actuate the needle such that, during the transfer operation, when the first substrate is secured in the first frame and the second substrate is secured in the second frame, the needle presses the semiconductor die into contact with the second substrate so as to transfer the semiconductor die onto the second substrate.

METHOD AND APPARATUS FOR LIGHT DIFFUSION
20190139945 · 2019-05-09 ·

A display apparatus includes a substrate and a plurality of LEDs. Each LED is attached to the substrate via conductive pads on a side of the LED. A diffuser having light diffusing characteristics is aligned with the plurality LEDs against a surface of the substrate. The diffuser is aligned so as to nest around at least one LED of the plurality of LEDs.

DIE BONDING RESIN LAYER FORMING APPARATUS
20190139928 · 2019-05-09 ·

A die bonding resin layer forming apparatus includes a liquid resin applying part including a chuck table that holds a wafer in such a manner that the back surface side is exposed and an applying unit that applies a liquid resin to the back surface side of the wafer held by the chuck table, a waiting part that holds the wafer to which the liquid resin has been applied by the liquid resin applying part and waits to dry the liquid resin applied to the wafer while enhancing flatness of the liquid resin, a curing part that gives an external stimulus to the liquid resin dried by the waiting part to cure the liquid resin and form the die bonding resin layer, and a conveying unit that conveys the wafer among the liquid resin applying part, the waiting part, and the curing part.