Samsung Display Co., Ltd.

Samsung Displayco., Ltd.

Min Kyu Woo

Jae Sic Lee

Kyung Bae Kim

Min Woo Byun

Seung Yeon Cho

Jae Du Noh

Seong Jun Lee

Dong Hwan Kim

Sang Hyun Jun

Min Ku Lee

Mi Hae Kim

Hwan Soo Jang

Seung Woo Sung

Hyun Chol Bang

Ju Hee Hyeon

Young Taeg Jung

Hwa Jeong Kim

Sang Jin Pak

Sang Won Seok

Na Yun Kwak

Hyun Joon Kim

Chong Chul Chai

Seon Young Choi

Dong Woo Kim

Mee Hye Jung

Jin Yeong Kim

Young Wan Seo

Dong Sun Lee

Cheol Gon Lee

No Kyung Park

Bon Yong Koo

Seon I Jeong

Hwa Young Song

Seung Kyu Lee

Ji Hye Lee

Dong Hee Shin

Sang Moo Choi

Jun Won Choi

Min Jae Jeong

Do Yeong Park

Jun Ki Jeong

An Su Lee

Chae Han Hyun

Na Hyeon Cha

Gyung Soon Park

Jae Hyung Cho

Myeong Hee Seo

Kyoung Jin Park

Chong Chui Chai

Mindo Heo

A display device includes a conductive layer including a first voltage line and a second voltage line extending in a first direction; an interlayer insulating layer on the conductive layer and including a plurality of contact holes that expose parts of the conductive layer; a plurality of first-type electrodes on the interlayer insulating layer and electrically connected to the conductive layer through the plurality of contact holes, a plurality of second-type electrodes on the interlayer insulating layer and extending in the first direction, a plurality of light-emitting elements on pairs of the first-type and the second-type electrodes that are spaced from each other in the second direction; first-type contact electrodes on the first-type electrodes and in contact with the light-emitting elements; and second-type contact electrodes on the second-type electrodes and in contact with the light-emitting elements, each of the second-type contact electrodes includes contact electrode extensions on the second-type electrodes.

Display device

A display device comprises a pixel circuit of each of first to third pixels disposed on a substrate, first to third vertical gate lines extending in a first direction and disposed on a side of the pixel circuit of each of the first to third pixels, respectively, a horizontal gate line extending in a second direction intersecting the first direction and disposed on the first to third vertical gate lines, a first electrode of each of the first to third pixels extending in the first direction and disposed on the horizontal gate line, and a second electrode of each of the first to third pixels extending in the first direction, the second electrode and the first electrode being disposed in a same layer. The first electrode of the first pixel overlaps the first vertical gate line, and the first electrode of the second pixel overlaps the second vertical gate line.

Display device where first electrodes have a same overlapping structure to allow for improved alignment

A display device includes: a power source line; a plurality of gate lines each extending in a first direction and arranged along a second direction in a plan view; a plurality of pixels connected to the power source line and the gate lines; and a plurality of vertical lines each extending in the second direction and arranged along the first direction in the plan view, wherein the vertical lines include a plurality of gate connection lines and a plurality of dummy lines between the gate connection lines, wherein the gate connection lines connect the gate lines to a gate driver, wherein the dummy lines are connected to the power source line, and wherein a distance between the dummy lines spaced apart from each other with at least one of the gate connection lines interposed therebetween is constant throughout.

A display device includes a pixel, the pixel including: a light emitting element; a first pixel circuit including at least one capacitor and at least one transistor, and to generate a sweep signal that changes linearly over time from a voltage level of a data signal received through a data line; and a second pixel circuit including at least one transistor, and to adjust a duty cycle of a current flowing through the light emitting element based on the sweep signal.

A display device includes a substrate. A first electrode, a second electrode, and a third electrode are on the substrate, and are sequentially arranged along a first direction. A first light emitting element is located between the first electrode and the second electrode. A second light emitting element is located between the second electrode and the third electrode. A first contact electrode overlaps the first electrode and one end of the first light emitting element, and is in contact with the first electrode and the one end of the first light emitting element. A second contact electrode overlaps and is in contact with the other end of the first light emitting element. A third contact electrode overlaps and is in contact with the second electrode and the other end of the second light emitting element. The second contact electrode extends while detouring the third contact electrode.

Display device comprising pluraltiy of light emitting elements overlapping with contact electrodes

A pixel circuit including a constant current driver including a first driving transistor for controlling a current through a light-emitting element, a first electrode thereof being connected to a first power source, and a second electrode thereof being connected to an anode electrode of the light-emitting element, and an emission time controller including a second driving transistor between a second power source and the constant current driver, and configured to control the emission time by turning off the first driving transistor after a time at which a Pulse Width Modulation data voltage corresponding to an input image is applied to a gate electrode of the second driving transistor, and based on a magnitude of the PWM data voltage, wherein the second driving transistor is turned on based on the magnitude of the PWM data voltage, to transfer a driving voltage from the second power source to the constant current driver.

Pixel circuit and driving method for display device including the pixel circuit

A display device includes: a display area including a plurality of pixels; a peripheral area including a plurality of driving circuits that are disposed in a plurality of columns, the driving circuits driving the pixels; a plurality of pads including a first pad disposed in a pad area that receive a signal; and a first signal line that extends from the peripheral area in a column direction and is connected to the first pad of the pad area, wherein the first signal line includes a plurality of branches extending from the first signal line and connected to driving circuits of different columns.

Display device including a signal line connected to driving circuits of different columns

A display device includes a first electrode, second electrodes, light emitting elements, a bank layer, and connection electrodes. Each of the second electrodes comprises an electrode stem part overlapping the bank layer and electrode branch parts branching from the electrode stem part and disposed partially in an emission area, and the connection electrodes comprise a first connection electrode disposed on the first electrode, overlapping an upper bank part of the bank layer and having a part disposed in a first sub-area, a second connection electrode disposed on a first electrode branch part of one of the second electrodes, overlapping a lower bank part of the bank layer and having a part disposed in a second sub-area, and a third connection electrode disposed on second electrode branch parts of different second electrodes of the second electrodes and on the first electrode and surrounding a part of the first connection electrode.

A display device includes a first pixel region including a plurality of first pixels and a plurality of first gate control lines coupled to the first pixels, and a second pixel region spaced apart from the first pixel region. The second pixel region includes a plurality of second pixels and a plurality of second gate control lines coupled to the second pixels. The display device further includes a first non-pixel region disposed between the first pixel region and the second pixel region, and a first coupling line disposed in the first non-pixel region. The first coupling line commonly couples at least two first gate control lines and at least two second gate control lines.

A display device includes: a substrate; and a semiconductor layer including a driving transistor and a fourth transistor on the substrate, wherein a first electrode of the driving transistor is connected to a driving voltage line to receive a driving voltage, a first electrode of the fourth transistor is connected to a first initialization voltage line to receive a first initialization voltage, a second electrode of the fourth transistor is connected to a gate electrode of the driving transistor, a low doping region is between a channel of the fourth transistor and the first electrode of the fourth transistor, and a low doping region is not between the channel of the further transistor and the second electrode of the fourth transistor.

A touch sensor may include a substrate and may include electrode units, first demultiplexers, second demultiplexers, and driving pads all located on the substrate. The electrode units each may include a plurality of electrode groups, the electrode groups each including a plurality of touch electrodes. The first demultiplexers each may include a plurality of sub-demultiplexers and each may be electrically connected to a corresponding one of the electrode units. Each of the sub-demultiplexers of a first demultiplexer may be electrically connected to a corresponding one of the electrode groups of a corresponding electrode unit. The second demultiplexers may be connected between the first demultiplexers and the driving pads.

Touch sensor, touch sensor driving method, and display device

A display device includes pixels disposed in a display area and including first and second pixels that are adjacent to each other in a first direction, and a first integrated bank pattern disposed between the first and second pixels. Each of the pixels includes a first electrode and a second electrode that are spaced apart from each other along the first direction in a light emitting area and extend in a second direction, a first bank pattern portion overlapping the first electrode, and a second bank pattern portion overlapping the second electrode. The first integrated bank pattern includes a second bank pattern portion disposed at the first pixel, a first bank pattern portion disposed at the second pixel, and a protrusion extending in the second direction in a boundary area between the first pixel and the second pixel.

A display device includes: a base layer having a first area and a second area extending at least partially around a periphery of the first area; conductive patterns in the second area; an insulating layer over the conductive patterns in the second area; a first electrode and a second electrode on the insulating layer; and a plurality of light emitting elements between the first electrode and the second electrode in the first area and being connected to the first electrode and the second electrode. The first electrode and the second electrode are spaced apart from each other in the first area and are respectively connected to portions of the conductive patterns through contact openings penetrating the insulating layer. The light emitting elements do not overlap the conductive patterns and the insulating layer.

A display device may include: a substrate including a display area and a non-display area; pixels in the display area, each of the pixels including first to fourth electrodes, and light emitting elements connected with the first to fourth electrodes; first pads in a pad area of the non-display area; first to third lines provided in the non-display area; and a circuit board overlapping with the pad area of the substrate and including second pads electrically connected with the first pads. The first pads may include a 1-1th pad connected to the first line, a 1-2th pad connected to the second line, and a 1-3th pad connected to the third line. An identical driving voltage may be applied to at least two lines of the first to third lines. The first to third lines may apply alignment signals to the first to fourth electrodes.

Display device including a plurality of lines to apply driving voltage to pixels

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Yongin-si, South Korea

Min Kyu Woo