Lg Display Co., Ltd.

Samsung Electronics Co., Ltd.

Industry-University Cooperation Foundation Hanyang University

Sangkyu Kim

Joonhyung Lee

DeukSu Lee

Seongho Cho

Jeonghoon Lee

Jaegyun Lee

SeungRok Shin

JiHyun Jung

Taeyun Kim

Jaeseung Kim

Deuksu Lee

KwangJo Hwang

Seungrok Shin

Yoonnara Jang

Jihyun Jung

JaeGyun Lee

Seungmin Lee

Jungchul An

Hyangmyoung Gwon

Ruda Rhe

Myounghoon Jung

Kunsun Eom

Chul-Ho Cho

Jaekyeong Yun

Myeong Su Cheon

Sangsoo Lee

BuYeol Lee

Yangsik Lee

SuChang An

YangSik Lee

Sangyun Park

HwiDeuk Lee

Hwideuk Lee

Jungwook Kim

Jungmi Park

Jungmok Bae

Bowon Jung

Shinhyuk Yoon

Kwanghee Ryu

Jeonphill Han

Jonglae Park

Cao Yang

Sangpyo Hong

Byunggi Yoon

Jiheun Lee

Ji-Hyoung Kang

Kyoungwon Min

Changyoung Kim

Hoeil Chung

Hyunju Kang

Kyeol Chang

Junghye Lee

Hyeseon Lee

Buyeol Lee

A touch display device is disclosed that divides an active area into a reference touch area and a non-reference touch area and independently drives touch electrode lines positioned in the reference touch area and touch electrode lines positioned in the non-reference touch area. Touch sensing performance is enhanced while preventing or reducing signal distortion due to a difference in unit touch sensors in the reference touch area and the non-reference touch area.

Touch driving circuit and touch display device

Embodiments of the disclosure may insert a break period when the gate line is not driven, such as a blank period, of an active period of a frame period and perform touch sensing, driven in the same manner as touch sensing driven in the blank period, in the break period, thereby reducing the influence of display driving on touch sensing and enhancing touch sensing performance.

Touch display device

According to various embodiments, an electronic device may include: a first housing; a second housing; a hinge device connecting the first housing and the second housing in a foldable manner; and a flexible display disposed to be supported by the first housing and the second housing, and including a display panel and a protection layer laminated on the display panel. The protection layer of the flexible display may include a first layer laminated on the display panel; a second layer laminated on the first layer; a third layer laminated on the second layer; and a coating layer formed on an upper surface of the third layer, wherein the third layer has a thickness greater than a thickness of the second layer.

Electronic device including flexible display

A foldable electronic device includes: a housing including a first housing and a second housing part, a flexible display including a first display region, a second display region, and a third display region, a first layer including an electromagnetic induction panel disposed below the first display region, a second layer contacting the second display region, a first magnet, and a second magnet. The second layer includes a shielding member comprising a shielding sheet disposed between the second magnet and a portion of the electromagnetic induction panel, and a waterproof member comprising a waterproof material at least partially surrounding the shielding member.

Foldable electronic device including flexible display

A light emitting element include: a spherical conductive ball made of a metal material having conductivity; a light emitting layer covering a portion of a surface of the conductive ball; a metal layer formed on the light emitting layer; and an insulating layer covering at least a portion of a remaining portion of the surface of the conductive ball.

Light emitting element having light emitting layer and metal layer sequentially stacked on conductive ball, manufacturing method thereof, display device including light emitting element, and manufacturing method thereof

A method for sensing contactless touch using a touch sensor structure that senses contacting touch by operating some of touch electrode lines operating as touch driving electrodes and some of touch electrode lines operating as touch sensing electrodes upon contacting touch driving, as touch driving electrodes for sensing contactless touch, in a contactless touch driving period distinct from a contacting touch driving period.

The present disclosure is directed to a touch display device that is capable of reducing a load of a touch sensor structure disposed in a display panel and improving the accuracy of touch sensing capabilities of the touch display device. In one aspect, touch electrode lines disposed on an active area are disposed to be separated into a plurality of sub-areas. A number of touch routing lines connected to the touch electrode lines are disposed on the active area, thus a touch sensor structure with a reduced load can be provided while minimizing an increase of a non-active area due to an arrangement of the touch routing lines.

An optical sensor and a method of operating the optical sensor are provided. The optical sensor includes a light source configured to emit a light, and a path adjuster configured to adjust a traveling path of the light to reflect the light at a first time, and allow the light to pass through the path adjuster at a second time. The optical sensor further includes a light receiver configured to receive a reference light among the reflected light, and receive, among the light passing through the path adjuster, a measurement light related to a target material.

Optical sensor and method of operating the optical sensor

A touch display device and a touch driving circuit are configured to drive at least one of the plurality of first touch electrode lines disposed in a first area with a first touch driving signal having a first touch driving frequency, and drive at least one of the plurality of second touch electrode lines disposed in a second area with a second touch driving signal having a second touch driving frequency that is different from the first touch driving frequency. Each of the first touch driving frequency and the second touch driving frequency is different from a display driving frequency related to display driving. to the touch display device reduces the influence of noise, increases the signal-to-noise ratio, and reduces the influence of driving the display, thereby improving the touch sensitivity.

Touch display device and touch driving circuit

A display device can include a display panel including multiple pixels each of which includes multiple sub-pixels. The display device can further include multiple data lines respectively connected to the multiple sub-pixels, multiple gate lines respectively connected to the multiple pixels, and N multiplexers (MUX) (N is a natural number larger than 1) disposed at input terminals of the multiple data lines. In one horizontal (H) period, a length of a turn-on period of a first MUX can be different from that of a turn-on period of an Nth MUX, where the one H period is a period in which a scan signal is supplied through one gate line.

Display device including multiplexers with different turn-on periods

The disclosure is related to a touch display device, a shield electrode separated from a common electrode of a light-emitting element can be disposed on an area overlapping a touch electrode under an encapsulation layer, and a shield driving signal corresponding to a signal supplied to the touch electrode can be supplied to the shield electrode. Thus, the shield electrode prevents or at least reduces formation of a parasitic capacitance between an electrode or a signal line for a display driving and the touch electrode, and a touch detection performance can be improved by implementing a noise blocking function by the shield electrode.

Discussed is a display device including an active area and a non-active area, a light emitting element including an anode electrode, a cathode electrode, and a light emitting layer, gate lines disposed in the active area and arranged in a first direction, data lines disposed in the active area and arranged in a second direction, data link lines connected to the data lines, an encapsulation layer on the cathode electrode, and including an organic layer and an inorganic layer, a touch sensor on the encapsulation layer, and including driving touch electrodes arranged in the first direction as the data lines, and sensing touch electrodes arranged in the second direction as the gate lines, driving touch lines connected to the driving touch electrodes, and overlapping with a first portion of the cathode electrode in the non-active area and sensing touch lines connected to the sensing touch electrodes.

Touch display device and display panel with reduced signal noise

An aspect of the present disclosure may provide a display device including: a light-emitting layer including a plurality of light-emitting areas; a plurality of touch wiring lines arranged in a first direction so as to overlap the light-emitting area; and a touch electrode formed on the plurality of touch wiring lines. Further, a method of manufacturing the display device may be provided.

Display device with touch sensor and method of manufacturing same

A display device including a gate driver configured to apply gate signals to a plurality of gate lines; a data driver configured to apply data signals and a reference voltage to a plurality of data lines; and a display panel including a plurality of unit pixels, each unit pixel including a plurality of subpixels emitting different colors. Further, a first data line of the plurality of data lines is connected to a first subpixel and a second subpixel in a first unit pixel, and a second data line of the plurality of data lines is connected to the first subpixel and a third subpixel in the first unit pixel.

Display device and method for driving the same

There is provided a method of controlling performance boosting of a semiconductor device. According to the method, input of a user is monitored. A performance of the semiconductor device is boosted by consecutively executing a plurality of boosting policies associated with a plurality of macros based on an input event associated with the input of the user and available energy during a boosting interval. Boosting level in each of the boosting policies may be adaptively determined based on the boosting level and the amount of usage of the semiconductor device used in the previous boosting policy and the boosting policies are consecutively executed. Accordingly, improved and/or optimal performance boosting can be provided to the semiconductor device and at the same time, a waste of power can be mitigated and/or prevented.

Method of controlling performance boosting of semiconductor device based on at least user input and feedback from previous boosting policies and semiconductor device performing the method

Growing community of inventors

Gyeonggi-do, South Korea

Sangkyu Kim