Samsung Display Co., Ltd.

Lg Display Co., Ltd.

Samsung Displayco., Ltd.

Sun Hwa Lee

Mu Kyung Jeon

Kwang-chul Jung

Mee Hye Jung

Il Gon Kim

Sang-uk Lim

Yun Seok Lee

Ki Hyun Pyo

Jae Yong Jang

Ki June Lee

Su Jin Lee

Il Nam Kim

Ji-Sun Kim

Jang Mi Kang

Hyun Suk Jin

Ji Hun Ryu

Bon Yong Koo

Kwang-Chul Jung

Seon Uk Lee

Wan-Soon Im

Tae Woo Lim

Eun Ju Kim

Jun Pyo Lee

Hee June Kwak

Seok Kyu Yoon

Hyun Seok Jang

Dong Hoon Lee

Sung Hwan Won

Mee-Hye Jung

Chong Chul Chai

Tae Hoon Yang

Won Tae Kim

Dae Young Lee

Jun Ki Jeong

Kyung Hoon Chung

Kyung Tae Chae

Jung Park

Yu Jin Lee

Se Hyoung Cho

Gyung Soon Park

Kyo Seop Choo

In-Jae Hwang

Hyung Uk Jang

Ho Jin Ryu

Deuk Su Lee

Dae Ho Lee

Ho Yun Byun

Hyung June Kim

Sang Uk Lim

Se Young Song

Kwang Chul Jung

Yong Woo Choi

Moon Sik Kang

A display device includes a substrate, first and second transistors on the substrate, a first electrode connected to one of the first and second transistors, a second electrode facing the first electrode, and a light emission member between the first and second electrodes, where the first transistor includes a first channel including a polycrystalline semiconductor member on the substrate, a first source electrode and a first drain electrode at respective opposite sides of the first channel, a first gate electrode overlapping the first channel, and a first insulating layer covering the first gate electrode, the second transistor includes a second gate electrode on the first insulating layer, a second channel including an oxide semiconductor member on the second gate electrode, second source and drain electrodes on the second channel, and an external light blocking member on the second source and drain electrodes and overlapping the second channel.

Display device

Embodiments of the present disclosure provide a display device comprising: a substrate; a thin film transistor layer on a first surface of the substrate and including a first hole; a light emitting element layer on the thin film transistor layer and including a light emitting element; a first light blocking layer between the substrate and the thin film transistor layer and including a second hole overlapping the first hole in a thickness direction of the substrate; and a second light blocking layer between the thin film transistor layer and the light emitting element layer and including a third hole overlapping the first hole and the second hole in the thickness direction of the substrate.

A touch sensing unit includes first touch electrodes and second touch electrodes disposed on in a touch sensor area which includes a round portion having a curvature. A driving line is connected to a first touch electrode among the first touch electrodes are disposed in the round portion of the touch sensor area. A sensing line is connected to a second touch electrode among the second touch electrodes disposed in the round portion of the touch sensor area. The driving line and the sensing line intersect each other.

Touch sensing unit and display device comprising same

Provided is a display device including a substrate including a front surface portion, a first side surface portion extending from a first side of the front surface portion, a second side surface portion extending from a second side of the front surface portion, and a corner portion between the first side surface portion and the second side surface portion, a first display area on the front surface portion of the substrate, and including a first pixel for displaying images, and a second display area on the corner portion of the substrate, and including a first voltage supply line, and a second pixel for displaying images, the second pixel including a first pixel electrode, a first light emitting layer on the first pixel electrode, and a common electrode on the first light emitting layer, wherein the first voltage supply line does not overlap the first pixel electrode in a thickness direction of the substrate.

Display device with improved display characteristics at a corner thereof

A display device includes a display panel including a data driver that converts input data into a data signal and supplies the data signal to an output line, a pixel unit including pixels that display an image based on the data signal, a demultiplexer including transistors electrically connected to the output line in the display panel, and transmitting the data signal from the output line to data lines electrically connected to the pixels, and a timing controller that supplies control signals to control a supply timing of the data signal. A number of the transistors are electrically connected in series, and others of the transistors are electrically connected in parallel.

Display device using a demultiplexer having transistor clusters in parallel

A display device includes a first pixel. The first pixel includes a first light emitting unit electrically connected between a first power line and a second power line. A first driving transistor is electrically connected between the first power line and the first light emitting unit, and controls a current flowing into the first light emitting unit, based on a first data signal from a first data line to a gate electrode. A first initialization transistor is electrically connected between the gate electrode of the first driving transistor and a third power line. A first switching transistor is electrically connected between a first electrode of the first light emitting unit and a first sub-power line. The first light emitting unit includes light emitting elements. The first driving transistor includes a first semiconductor material, and the first initialization transistor includes a second semiconductor material different from the first semiconductor material.

A display device may include a first conductive layer disposed on a substrate, and including an auxiliary bottom line and an additional conductive pattern; a first insulating layer disposed on the substrate and the first conductive layer; a semiconductor pattern disposed on the first insulating layer; a second insulating layer disposed on the first insulating layer and the semiconductor pattern; a second conductive layer disposed on the second insulating layer, and including a conductive pattern and a gate electrode; a third insulating layer disposed on the second insulating layer and the second conductive layer; a connection pattern disposed on the third insulating layer and electrically connected to the conductive pattern; a first electrode disposed on the connection pattern and electrically connected to the connection pattern; and at least one light emitting element disposed on the first electrode and electrically connected to the first electrode.

Display device with auxiliary bottom line

A fingerprint sensor and a display device include a substrate. A circuit element layer is disposed on a first surface of the substrate and includes a semiconductor layer, conductive layers and at least one opening portion. A light emitting element layer is disposed on the circuit element layer and includes at least one light emitting element. A sensor layer is disposed on a second surface of the substrate and includes at least one light sensor corresponding to the opening portion. The opening portion is defined by non-overlapping of the semiconductor layer and the conductive layers, the opening portion has a closed loop shape in plan view, and at least a portion of the closed loop shape includes a curve, or an internal angle of the at least a portion of the closed loop shape is an obtuse angle.

Fingerprint sensor and display device including the same

A display device includes a substrate and a pixel layer disposed on the substrate. The pixel layer includes a circuit element layer having an opening. The circuit element layer includes a first semiconductor layer and a first conductive layer that includes a first scan line pattern and an emission control line. A second conductive layer is disposed on the first conductive layer and includes a first initialization line, a second scan line pattern and a third scan line pattern. A second semiconductor layer is disposed on the second conductive layer. A third conductive layer is disposed on the second semiconductor layer and includes fourth and fifth scan line patterns. The first initialization line includes a first portion and a second portion each extending in a first direction, and a third portion disposed therebetween. The second portion extends diagonally with respect to the first direction.

Display device having an initialization line

A fingerprint sensor includes four transistors and a photodetector. The first transistor connects a second node with a third node based on a voltage of a first node, where the first node corresponding to a first electrode of the photodetector. The second transistor connects the second node with a read-out line based on a scan signal. The third transistor supplies a reset voltage to the first node based on a first reset signal. The fourth transistor connects the first node with the second node based on a second reset signal.

Growing community of inventors

Hwaseong-si, South Korea

Sun Hwa Lee