Samsung Electronics Co., Ltd.

Minsub Oh

Sangmoo Park

Doyoung Kwag

Eunhye Kim

Yoonsuk Lee

Byungchul Kim

Dongyeob Lee

Jamyeong Koo

Youngkyong Jo

Masaru Wada

Seona Yang

Wonsik Choi

An electronic device is disclosed. The electronic device comprises: a transfer device capable of moving, to a target substrate, a plurality of LEDs arranged in a transfer substrate, and arranging same; a storage unit in which feature information of each of the plurality of LEDs is stored; and a processor for controlling the transfer device such that each of a plurality of LEDs is arranged in an arrangement location on the target substrate of each of a plurality of LEDs on the basis of the stored feature information.

Electronic device including LED transmission device, and control method therefor

A display apparatus includes a substrate in which a plurality of pads are disposed, a plurality of micro LEDs, wherein each micro LED from among the plurality of micro LEDs is electrically connected to a respective group of pads from among the plurality of pads and mounted on the substrate, and a plurality of protrusion members, wherein each protrusion member from among the plurality of protrusion members protrudes from the substrate and is formed adjacent to a respective pad from among the plurality of pads.

Display apparatus

A display module includes a substrate; light emitting diodes, first connection pads, second connection pads, and side wirings. The light emitting diodes are arranged on one surface of the substrate. The first connection pads are formed on the one surface of the substrate. The second connection pads are formed on an opposite surface of the one surface. The side wirings are formed on each of a first edge of the substrate and a second edge of the substrate that is adjacent to the first edge. The side wirings electrically couple the first connection pads on the one surface of the substrate with respective ones of the second connection pads on the opposite surface.

Display module comprising side wirings and large format display apparatus using the same

A display module is provided. The display module includes: a substrate; a thin film transistor (TFT) layer formed on one surface of the substrate; and a plurality of micro LEDs disposed on the TFT layer. The plurality of micro LEDs are transferred from a transfer substrate to the TFT layer by a laser beam radiated to the transfer substrate through openings of a mask. The openings correspond to regions in which the respective micro LEDs of the transfer substrate are arranged and the openings correspond to a width, a length, or a unit area of each of the micro LEDs.

Micro LED transfer method and display module manufactured by the same

A light emitting diode (LED) transfer system includes an alignment apparatus configured to align a plurality of target substrates; a handling robot configured to transport the plurality of target substrates; a transfer stage configured to hold the plurality of target substrates and move the plurality of target substrates; a substrate stage configured to move a relay substrate having a plurality of LEDs with respect to the transfer stage while the plurality of LEDs are facing the transfer stage; a laser configured to emit a laser beam toward the plurality of LEDs of the relay substrate so that the plurality of LEDs are transferred from the relay substrate to the plurality of target substrates; and a processor configured to control the alignment apparatus, the handling robot, the transfer stage, the substrate stage, and the laser to transfer the plurality of LEDs of the relay substrate to the plurality of target substrates.

Light emitting diode transfer system and control method thereof

A method of manufacturing a display apparatus includes performing a first repair process of detecting a first defective light emitting diode (LED) from among a plurality of LEDs provided on a sapphire substrate and removing the first defective LED; attaching the plurality of LEDs to electrode patterns of an interposer substrate and separating the sapphire substrate from the plurality of LEDs; and performing a second repair process of detecting a second defective LED among the plurality of LEDs attached to the electrode patterns and replacing the second defective LED.

Manufacturing method of display apparatus, interposer substrate, and computer program stored in readable medium

A micro light emitting diode (LED) transfer device includes a transfer part configured to transfer a relay substrate having at least one micro LED; a mask having openings corresponding to a position of the at least one micro LED; a first laser configured to irradiate a first laser light having a first wavelength to the mask; a second laser configured to irradiate a second laser light having a second wavelength different from the first wavelength to the mask; and a processor configured to: control the at least one micro LED to contact a coupling layer of a target substrate, and based on the coupling layer contacting the at least one micro LED, control the first laser to irradiate the first laser light toward the at least one micro LED, and subsequently control the second laser to irradiate the second laser light toward the at least one micro LED.

Micro LED transfer device and micro LED transferring method using the same

A micro light emitting diode (LED) transferring method includes setting a micro LED transfer substrate and a target substrate to initial positions and transferring a plurality of micro LEDs arranged in a partial region of the micro LED transfer substrate to the target substrate. Once the micro LEDs in the partial region are transferred to the target substrate, the micro LED transfer substrate is rotated and a plurality of micro LEDs, arranged in a remaining region of the micro LED transfer substrate, are then transferred to the target substrate.

Micro LED transferring method and display module manufactured by the same

A micro LED transferring method is provided. The transferring method includes selectively applying a color conversion material to a mono-color substrate, the mono-color substrate including first micro LEDs in a first color; obtaining a multi-color substrate based on a result of the applying, the multi-color substrate including the first micro LEDs in the first color and second micro LEDs in a second color different from the first color; and irradiating a laser beam toward the multi-color substrate to transfer the first micro LEDs and the second micro LEDs to a target substrate.

Display module manufactured by micro LED transferring method

A method of manufacturing a micro light emitting diode (LED) display and a transfer apparatus are provided. The method of manufacturing a micro LED display includes: identifying a repairing micro LED, from among a plurality of second micro LEDs, on a second substrate based on a first position of a defective micro LED, from among a plurality of first micro LEDs, on a first substrate; removing the defective micro LED from the first substrate; matching the first position on the first substrate from which the defective micro LED has been removed to a second position of the repairing micro LED on the second substrate; and transferring the repairing micro LED from the second position on the second substrate to the first position on the first substrate from which the defective micro LED has been removed, by using a laser transfer method.

Transfer apparatus and method of manufacturing micro LED display using the same

A display module includes a substrate, a plurality of LEDs that are disposed on the substrate and irradiate light, and a light blocking layer that covers the plurality of LEDs, and fills intervals among the plurality of LEDs, each interval of the intervals being a distance between two adjacent LEDs of the plurality of LEDs, and wherein the light blocking layer includes a plurality of openings formed such that a top surface of each of the plurality of LEDs is exposed.

Display module and display apparatus including light blocking layer with openings having regular intervals therebetween

A light-emitting diode (LED) transferring method is provided. The LED transferring method includes disposing a transfer substrate, on which a plurality of LEDs of different colors are sequentially arranged in at least one row or at least one column, between a target substrate and a laser oscillator, and simultaneously transferring the plurality of LEDs from the transfer substrate to predetermined points of the target substrate by radiating a laser beam toward the target substrate from the laser oscillator.

LED transferring method and display module manufactured by the same

The application is related to a laser transfer apparatus and a method performed by the laser transfer apparatus. The laser transfer apparatus may include: a laser oscillator configured to perform irradiation with a laser beam; a first stage movably disposed below the laser oscillator; a second stage movably disposed below the first stage; a flatness measurement sensor; and a controller. The controller may be configured to control, once a transfer substrate on which a plurality of light emitting diodes (LEDs) are arranged is loaded on the first stage, and a target substrate is loaded on the second stage, the flatness measurement sensor to measure flatness of each of the transfer substrate and the target substrate, and adjust a height of at least one of the first stage or the second stage based on the flatness.

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Seoul, South Korea

Minsub Oh