Samsung Display Co., Ltd.

Chung-Seok Lee

Hayoung Choi

Joongmok Lee

Joonsam Kim

Hanho Park

Soyeon Joo

Chulho Jung

Jeongeun Park

Jeongmin Ban

Bong-Hyun You

Su Bin Bae

Jung Yun Jo

So Yeon Joo

Jeong Do Yang

Han Ho Park

Jang-Kyum Kim

Seoungbum Pyoun

Joong Mok Lee

Seungjin Lim

Jeong Eun Park

Eunjeong Jeon

Seong-Heon Cho

A film cutting device includes a stage which supports a circuit film, a cutter disposed on the stage to cut the circuit film, a vibration horn connected to the cutter, where the vibration horn vibrates the cutter in a first direction based on an ultrasonic wave, and a cooler which cools the cutter.

Film cutting device, film cutting method using the same, and display device including circuit film cut by the same

A display panel includes a base substrate, pixels, signal lines, a power line, signal pads, power pads, and a conductive portion electrically connected to the power pads and extending from an area overlapping the power pads to an edge of the base substrate. An opening is defined in conductive portion by a removed portion thereof.

Display panel with conductive portion overlapping power pads

Provided is an electronic device including a display panel including a base substrate, pixels, a first insulation layer, and panel pads spaced along a first direction from pixels and each arranged along a second direction crossing the first direction, a circuit board disposed on the display panel and connected to panel pads, and an adhesive interconnect layer disposed between the display panel and the circuit board and electrically connecting the display panel and the circuit board. The circuit board includes a flexible substrate including a top surface facing the base substrate, output pads disposed on the flexible substrate and connected to panel pads, each obliquely extending in the first and second directions and arranged along the second direction, an alignment pad spaced along the second direction from output pads, and a stress relaxation pad disposed between output pads and alignment pads and electrically insulated from panel pads.

Electronic component, electric device including the same

A display device includes: a display panel including a plurality of display pads each extending in a first direction and arranged in a second direction crossing the first direction; a main circuit board; and a flexible circuit board including: board pads connected to the display pads; and a floating pattern spaced apart from the board pads, the floating pattern connected to the display panel by an anisotropic conductive film (ACF), wherein at least a portion of the floating pattern does not overlap with the ACF in plan view.

Flexible circuit board and display device including the same

Provided is a display apparatus. The display apparatus includes a flexible circuit board including flexible pads, a main circuit board including main pads, and a display panel including a plurality of pixels connected to the flexible circuit board and configured to receive a signal from the driving chip. In each of the flexible pads and the main pads, a portion of the pads is gradually tilted from pads disposed at a center to pads disposed at an outer side among the pads, and a tilted angle of a main pad disposed at the outermost side of the main circuit board is greater than that of a flexible pad disposed at the outermost side of the flexible circuit board.

Display apparatus

A display device includes a display panel including a plurality of display pads at least some of which at least a portion extend in a first direction and are arranged in a second direction intersecting the first direction, and a flexible circuit board including circuit pads, at least some of which at are electrically connected to the display pads, and circuit lines connected to the circuit pads. The circuit pads include at least one dummy pad, and the circuit lines include a dummy circuit line, of which at least a portion of is connected to the at least one dummy pad. The dummy circuit line includes a first portion connected to the at least one dummy pad and a second portion spaced apart from the first portion by a gap.

Display device and method for manufacturing the same

A display device including a lower substrate having a display area and a pad area, a display structure disposed in the display area of the lower substrate, pad electrodes disposed in the pad area of the lower substrate and spaced apart in a first direction, and a conductive film package including a base substrate disposed on the pad electrodes, and including a corner portion having a curved shape, bump electrodes disposed in a first portion of a bottom surface of the base substrate and overlapping the pad electrodes, metal patterns disposed in second portions of the bottom surface of the base substrate positioned at both sides of the first portion, a first film layer disposed between the base substrate and the lower substrate and overlapping the pad electrodes, a part of the bump electrodes, and the metal patterns, and conductive balls disposed inside the first film layer.

Display device

A display device includes a display panel, a bonding substrate and a bridge board. The display panel includes a pixel array disposed on a base substrate and an input pad electrically connected to the pixel array. The bonding substrate is disposed under the display panel and includes an output pad. The bridge board is bonded to the input pad of the display panel and the output pad of the bonding substrate to electrically connect the display panel to the bonding substrate, wherein the bridge board includes a rigid material.

Bonding structure and display device including the same

A flexible circuit film bonding apparatus includes: a stage configured to support a TFT substrate; a pressing head configured to press and heat a flexible circuit film attached on the TFT substrate with an anisotropic conductive film interposed therebetween; a backup plate configured to support and heat the TFT substrate positioned below the flexible circuit film; and a heating control unit configured to control a temperature of a lower surface of the pressing head and an upper surface of the backup plate, wherein the temperature of the upper surface of the backup plate is less than 170 degrees Celsius.

Flexible circuit film bonding apparatus and method of bonding flexible circuit film using the same

A display device includes a display panel, a printed circuit board (PCB), and a flexible printed circuit board (FPCB). The display panel includes a first pad portion. The PCB includes a second pad portion. The FPCB includes a first end portion and a second end portion. The first end portion is connected to the first pad portion, and the second end portion is connected to the second pad portion. The second pad portion includes a first pad group and a second pad group, each including a plurality of test pads. One test pad of the first pad group is connected to one test pad of the second pad group.

Provided is an electronic device including a display panel including a base substrate, pixels, a first insulation layer, and panel pads spaced along a first direction from pixels and each arranged along a second direction crossing the first direction, a circuit board disposed on the display panel and connected to panel pads, and an adhesive interconnect layer disposed between the display panel and the circuit board and electrically connecting the display panel and the circuit board. The circuit board includes a flexible substrate including a top surface facing the base substrate, output pads disposed on the flexible substrate and connected to panel pads, each obliquely extending in the first and second directions and arranged along the second direction, an alignment pad spaced along the second direction from output pads, and a stress relaxation pad disposed between output pads and alignment pads and electrically connected from panel pads.

A display device is disclosed. In one aspect, the display device includes a substrate including a display area and a non-display area and an input wiring portion and an output wiring portion formed in the non-display area. The display device also includes a driver integrated circuit (IC) formed over the substrate and electrically connected to the input and output wiring portions. Each of the input and output wiring portions includes a metal layer and a metal carbide layer that covers the metal layer.

Display device including metal layer and metal carbide layer covering the metal layer

Provided is a foldable display apparatus that is foldable along a folding line. The foldable display apparatus includes a first display panel for displaying a first image, a second display panel for displaying a second image, wherein the second display panel is spaced apart from the first display panel, and a flexible electric connection unit disposed between the first and second display panels and electrically connecting the first and second display panels, the flexible electric connection unit comprising a groove overlapping with the folding line.

Growing community of inventors

Hwaseong-si, South Korea

Chung-Seok Lee