Lg Display Co., Ltd.

Yeseul Han

MinJic Lee

Kwanghyun Choi

JeongOk Jo

HongSik Kim

Jeongok Jo

Euihyun Chung

Kakyung Kim

Hongsik Kim

Minjic Lee

An organic light emitting display device includes a substrate having a display area including a plurality of sub pixels and a non-display area which encloses the display area, a thin film transistor on the substrate, a planarization layer on the thin film transistor, an anode which is disposed on the planarization layer and is disposed for each sub pixel, a bank layer which is disposed on the planarization layer and includes a first opening unit exposing at least a part of the anode and a second opening unit spaced apart from the first opening unit, a first spacer on the bank layer, and a second spacer which is continuously disposed on the anode and the bank layer so as to overlap with a part of an edge of the first opening unit, and the bank layer has a reverse tapered shape and the second spacer has a tapered shape.

Organic light emitting display device

The present disclosure relates to a display panel including: a first panel area having a first front face and a first rear face; a second panel area having a second front face and a second rear face, the second panel area being configured to overlap the first panel area with the second rear face facing the first rear face with the display panel in a folded state; a third panel area having a third front face and a third rear face, the third panel area being configured to overlap the second panel area with the third front face facing the second front face with the display panel in the folded state; a first hinge coupling for coupling the first panel area and the second panel area to each other; and a second hinge coupling for coupling the second panel area and the third panel area to each other.

Display panel and display device including the same

A foldable display device that includes a folding area and non-folding area, is discussed. The foldable display device can include a first substrate, a second substrate corresponding to the first substrate and including the plurality of unit pixels, a thin film transistor disposed on the second substrate, an organic light emitting diode disposed on the thin film transistor, and a mesh pattern disposed between the first substrate and the second substrate and having a plurality of openings, and made of metal.

Foldable display device

A display device includes a substrate; a bank defining a plurality of emission areas on the substrate; a plurality of light emitting elements at the plurality of emission areas; a plurality of spacers on the bank to surround peripheral portions of the plurality of emission areas, and the plurality of spacers are spaced apart from each other, so that film delamination of a light emitting element can be prevented by minimizing transmission of an impact to the light emitting element.

Display device

A foldable display device includes a flexible display substrate having a folding area and non-folding areas on two sides of the folding area, and a plurality of scan lines disposed on the flexible substrate and extending in a specific direction. The scan lines disposed in the folding area include a first part and a second part which are disposed on different layers and which are formed of different materials.

A the display panel includes a plurality of sub-pixels arranged in rows and columns; one scan line disposed in each of the rows of the plurality of sub-pixels; two data lines are disposed in each of the columns of the plurality of sub-pixels; a first multiplexer configured to select a data line at one side among the two data lines disposed in each column; and a second multiplexer configured to select a data line at another side among the two data lines disposed in each column that can be operated at a high speed using a 2D1G structure as well as at a low speed in an interlace scheme, thus securing 2H sensing time and removing flickering during switching between operations of pixels.

Display panel, display device including the same, and method for operating the same

A foldable display device includes a display area having a plurality of unit pixels and a non-display area surrounding the display area, and a folding area defined in the display area and the non-display area, and non-folding areas on both sides of the folding area. The foldable display device can further include a first substrate, a second substrate corresponding to the first substrate and including the plurality of unit pixels, a thin film transistor disposed on the second substrate, an organic light emitting diode disposed on the thin film transistor, and a mesh pattern disposed between the first substrate and the second substrate and having a plurality of openings. Openings of the mesh pattern in the folding area are smaller in size than openings of the mesh pattern in the non-folding areas.

The display device includes a display panel where sub-pixels are disposed. The display device includes a data driver that supplies a data voltage to the sub-pixels via data lines. The sub-pixels includes first sub-pixels to third sub-pixels. The first sub-pixels and second sub-pixels are alternately disposed on odd-numbered columns and the third sub-pixels are disposed on even-numbered columns. Each of the data lines branches into sub-data lines through a MUX, and the sub-data lines are disposed on both sides of the sub-pixels disposed on a column. Any one third sub-pixel of the third sub-pixels disposed on a row is connected to a sub-data line disposed on one side of the any one of third sub-pixel. Further, another third sub-pixel adjacent to any one third sub-pixel disposed on the row is connected to a sub-data line disposed on another side of the adjacent third sub-pixel. Thus, line dim is reduced.

Display device having a sub pixel column connected to different data lines

An organic light emitting display device includes a transparent base member, a touch sensor which includes a touch electrode disposed above the transparent base member and a touch protection layer which covers the touch electrode, a black matrix which is disposed below or above the touch sensor and defines a plurality of opening areas, a plurality of color filters which is disposed on the same plane as the black matrix and corresponds to the plurality of opening areas, a first buffer layer disposed above the upper one of the touch sensor and the plurality of color filters, a thin film transistor disposed above the first buffer layer, and an organic light emitting element which is disposed above the thin film transistor and corresponds to the plurality of opening areas.

Organic light emitting display device and method for manufacturing the same

According to an aspect of the present disclosure, an organic light emitting display device includes an organic light emitting display panel including a plurality of sub pixels, a pattern buffer layer disposed on the organic light emitting display panel and patterned so as to overlap at least one sub pixel of the plurality of sub pixels, a color filter layer disposed on the pattern buffer layer and including a plurality of color filters corresponding to the plurality of sub pixels, and a black matrix disposed on the same plane as the pattern buffer layer and dividing the plurality of color filters. Accordingly, generation and spread of cracks when the display device is folded may be effectively suppressed. Therefore, the driveability of the display panel and the reliability of the organic light emitting display device may be improved.

Organic light emitting display device including common plane black matrix and pattern buffer layer

A display device includes a substrate including a display area having a first display area and a second display area, and a non-display area extending from the display area; a plurality of first sub-data lines disposed in the first display area; a plurality of second sub-data lines disposed in the second display area to correspond to the plurality of first sub-data lines; a control line including a line portion extending in a direction different from a direction in which the plurality of first sub-data lines and the plurality of second sub-data lines extend; and a plurality of transistors disposed between the plurality of first sub-data lines and the plurality of second sub-data lines and controlled by the control line to connect or disconnect the plurality of first sub-data lines and the plurality of second sub-data lines, thereby reducing power consumption by supplying a data signal only to a driving area during divisional driving.

Display device for selectively supplying data signal to driving area during divisional driving

Disclosed is an electroluminescence display device. The electroluminescence display device includes a flexible substrate, a first metal layer, an inorganic material layer, a recessed portion, a second metal layer, and an organic material layer. The flexible substrate has a bending axis. The first metal layer is disposed on the flexible substrate to be parallel with the bending axis. The inorganic material layer is stacked on the first metal layer. The recessed portion is disposed in the inorganic material layer to be parallel to the bending axis and exposes the first metal layer. The second metal layer extends in parallel to the bending axis, covers the recessed portion, and is in contact with the first metal layer. The organic material layer covers the inorganic material layer and the second metal layer.

Flexible electroluminescence display

A flexible display device is disclosed, which may prevent a crack from being generated even though a bending area is folded and prevents a gate driving circuit from being damaged and prevents a gate shift clock line from being shorted even though the crack is generated. The flexible display device comprises a substrate including a display area for displaying an image, a non-display area surrounding the display area, and a bending area. A pixel for displaying an image, an inorganic film for covering the pixel and a first organic film for covering the inorganic film are arranged on an area corresponding to the display area of the bending area, and the first organic film is arranged on an area corresponding to the non-display area of the bending area.

Flexible display device

A display device includes a display panel with signal wire pads connected to data lines; an integrated circuit (IC) that feeds a data voltage to the data lines; a multiplexer disposed on a substrate of the display panel, between the data lines and the integrated circuit; a flexible circuit board bonded onto the substrate of the display panel and connected to the signal wire pads; and a test circuit on the substrate of the display panel.

Growing community of inventors

Paju-si, South Korea

Yeseul Han