Samsung Display Co., Ltd.

Samsung Displayco., Ltd.

Korea Institute of Ceramic Engineering and Technology

Meta Biomed Co., Ltd.

Hee Rim Song

Mu Kyung Jeon

Mee Hye Jung

Gyung Soon Park

Cheol Gon Lee

Hee Jean Park

Chong Chul Chai

Kyung Hoon Kim

Min Jae Jeong

Yu Jin Lee

Seon Young Choi

Hae Min Kim

Hyun Joon Kim

Byung Chang Yu

Il-Joo Kim

Jae Keun Lim

Tae Gyun Kim

Dong Hoon Lee

Il Gon Kim

Sang Jin Jeon

Young Hee Kim

Sang Uk Lim

Jeong Woo Moon

Sang-Jin Jung

Yoon Joo Lee

Soo-Ryong Kim

Hae-Jung Kim

A display device including: a base layer; a backplane structure provided on the base layer and including a pixel circuit and a sensor circuit; a pixel layer provided on the backplane structure and including a light-emitting element connected to the pixel circuit and a light-receiving element connected to the sensor circuit; and an encapsulation layer covering the pixel layer, wherein the sensor circuit includes: a first sensor transistor and a second sensor transistor connected between a readout line and a sensing power line to which sensing power is supplied; and a third sensor transistor connected to the light-receiving element, wherein the sensing power line extends in a first direction, and wherein the backplane structure further includes a first connection pattern to connect the first sensor transistor and the second sensor transistor through first and second contact holes.

Display device

A display device includes a plurality of pixels configured to display light, a plurality of first optical sensors configured to sense the light, a plurality of second optical sensors configured to sense the light, a plurality of first scan lines respectively connected to the plurality of pixels and the plurality of first optical sensors, a plurality of second scan lines respectively connected to the plurality of second optical sensors, a first scan driver configured to output a first scan signal to each of the plurality of first scan lines, and a second scan driver configured to output a second scan signal to each of the plurality of second scan lines.

Display device with integrated optical touch and fingerprint sensing

A display device includes display pixels each including a light emitting part including a light emitting element and a pixel driver applying a driving current to the light emitting element, and light sensing pixels each including a light sensing part including an optical element and a sensing driver, the sensing driver applying a sensing current to a sensing line according to a photocurrent of the optical element. The sensing driver includes a first sensing transistor controlling the sensing current flowing through the sensing line according to a voltage of a first electrode of the optical element, and a second sensing transistor initializing the first electrode of the optical element to a first level voltage. A channel layer of the first sensing transistor and a channel layer of the second sensing transistor are made of different materials.

A light emitting display device includes: a first display area including a first light-emitting element and a first pixel circuit unit; and a second display area including a second light-emitting element disposed to overlap a driving unit and a second pixel circuit unit which drives the second light-emitting element, where the first pixel circuit unit further include a first boost capacitor.

Light emitting display device ensuring uniform display quality in expanded display area

A display device may include a plurality of pixels each including a light emitting element. A first scan line and a second scan line are disposed in each of the pixels. A data line is disposed in each of the pixels. A power line is disposed in each of the pixels. A reference voltage line is disposed in each of the pixels. A first transistor controls a current of the light emitting element. A second transistor is connected between the data line and a first gate electrode of the first transistor. A third transistor is connected between the reference voltage line and a first electrode of the first transistor. A fourth transistor is connected between the power line and a second electrode of the first transistor. The fourth transistor may be a transistor of a type different from that of the first to third transistors.

Display device including pixels with different types of transistors

A display device may include a first pixel, a second pixel, a first data line electrically connected to the first pixel, a second data line electrically connected to the second pixel and electrically insulated from the first data line, a first signal wire electrically connected to the first data line, a second signal wire electrically connected to the second data line, and a connecting wire electrically connecting the second data line to the second signal wire. The connecting wire may include a first section and a second section. The second section may be directly connected to the first section, may overlap the first pixel, may overlap the first data line, and may be oblique relative to each of the first data line and the second data line in a plan view of the display device.

A display device includes a display area including a plurality of pixels and a non-display area located around the display area. The display device further includes a base substrate, a lower metal line disposed on the base substrate and surrounding at least a portion of the display area in a plan view, and a gate layer disposed on the lower metal line. In the non-display area, the lower metal line does not overlap the gate layer.

Display device including a lower metal line overlapping driving transistor or switching transistor to minimize crosstalk

A display includes a light emitting element that emits light, a driving transistor that controls a driving current flowing through the light emitting element, a light sensing element spaced apart from the light emitting element and generating a photocurrent according to external light, a first sensing transistor that controls a sensing current flowing to a readout line according to a voltage of a gate electrode of the first sensing transistor, which is electrically connected to an electrode of the light sensing element, and a shielding electrode disposed around a side of the gate electrode of the first sensing transistor in plan view.

A display device includes: a base layer; a circuit layer provided on the base layer, the circuit layer including pixel circuits and sensor circuits; a pixel element layer provided on the circuit layer, the pixel element layer including light emitting elements respectively connected to the pixel circuits and light receiving elements respectively connected to the sensor circuits; an encapsulation layer covering the pixel element layer; and a touch sensing layer on the encapsulation layer, the touch sensing layer including a conductive pattern forming touch electrodes for sensing a touch. The light emitting elements include light emitting layers, and the light receiving elements include light receiving layers. The conductive pattern includes main patterns respectively surrounding the light receiving layers in a closed form.

Display device including a photo sensor

A display device includes a substrate including a first display region, a second display region having an area smaller than that of the first display region, a third display region having an area smaller than that of the first display region, and a non-display region, a plurality of pixels provided in the first to third display regions, a power line which is connected to each of the plurality of pixels and applies a first power voltage to the plurality of pixels, and a fan-out line provided in the non-display region, the fan-out line applying a data signal to the plurality of pixels, where the power line includes an additional power line, a first power line, and disposed on the additional power line, and a second power line disposed on the first power line.

An organic light-emitting diode display is disclosed. In one aspect, the display includes a plurality of pixels formed in a plurality of intersection areas of a plurality of data lines and a plurality of scan lines. Each of the pixels includes a storage capacitor configured to store a data voltage, at least one target transistor having one end electrically connected to a current path of the storage capacitor, an organic light emitting layer, and a first electrode of an OLED formed over the organic light emitting layer. The first electrode includes a first electrode extension configured to block at least a portion of the target transistor from light.

Organic light-emitting diode display

A display device includes: pixel circuits arranged in a first direction on each of a first pixel row and a second pixel row; dummy sensor circuits arranged in a predetermined interval between the pixel circuits on the first pixel row; sensor circuits arranged in the interval between the pixel circuits on the second pixel row; light emitting elements disposed on the pixel circuits and connected to each of the pixel circuits; first light receiving elements on at least some of the pixel circuits of the first pixel row and the dummy sensor circuits; and second light receiving elements on at least some of the pixel circuits of the second pixel row and the sensor circuits. One of the sensor circuits is connected to at least two of the first light receiving elements and at least two of the second light receiving elements.

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Seoul, South Korea

Hee Rim Song