Samsung Electronics Co., Ltd.

Lg Display Co., Ltd.

Industry-university Cooperation Foundation Hanyang University

Lg Philips Lcd Co., Inc.

Jeongmin Moon

Yongsang Yun

Chihyun Cho

Kyungmin Park

Byong Deok Choi

Jungmin Lee

Yusu Kim

Kyounghoon Kim

Juhyang Lee

Byungwook Kim

Kyoungwon Kim

Kuchul Jung

Youngmi Ha

Kiseok Chang

Sungjoon Cho

Moonbong Song

Hansol Choi

Jihwan Jung

Yong Duck Kim

SoonShin Jung

Yong Sang Yoo

Mooyoung Kim

Yongyoun Kim

Soon Ryong Park

Seho Park

Keumsu Song

Byunghwa Park

Chounsung Kang

Jigeun Nam

Hyeonsu Lee

Chunggeol Kim

Gilwon Han

Gibin Kim

Sejin Lee

Hojung Choi

Jigon Kim

Gyusung Cho

Sunghoon Song

Mihyung Chin

Kim Mooyoung

Seungsoo Yang

An electronic device according to various embodiments comprises a communication module, a sensor module, a wireless charging antenna, a wireless charging module connected to the wireless charging antenna, and at least one processor, wherein the at least one processor may be configured to: receive a signal related to wireless charging from an external device through the communication module; check information indicating the degree of proximity between at least a part of a human body and the electronic device by using the sensor module at least on the basis of the signal; transmit, to the external device, data for adjusting wireless power to be output by the external device at least on the basis of the information; and receive the adjusted wireless power from the external device through the wireless charging module.

Electronic device and method for transmitting information to external device for adjusting wireless power to be transmitted from external device on basis of proximity of external object

Disclosed are a pixel circuit comprising an optical fingerprint sensing circuit, a method of driving a pixel circuit comprising an optical fingerprint sensing circuit, and a display device comprising a pixel circuit comprising an optical fingerprint sensing circuit. According to the present disclosure, the pixel circuit comprising an optical fingerprint sensing circuit comprises a pixel control circuit, the pixel control circuit comprising: a first photodetector which receives a light and generates a first signal; a second photodetector which receives a light and generates a second signal; and a self-illuminator which receives differential signals of the first signal and second signal and outputs an output signal, includes at least one transistor component and at least one capacitor component, and outputs a light on the basis of a data signal.

Pixel circuit comprising optical fingerprint sensing circuit, method for driving pixel circuit, and organic light-emitting display device

The present disclosure relates to a pixel circuit including an optical fingerprint sensing circuit, a method for driving a pixel circuit including the optical fingerprint sensing circuit, and a display device including the pixel circuit including the optical fingerprint sensing circuit. The pixel circuit includes: a self-light emitting element which displays images by a driving current controlled by a driving transistor; and a light-receiving element which receives light emitted from the self-light emitting element and reflected through a fingerprint of a user and converts it into a photocurrent. The driving transistor functions as a buffer which transmits an output voltage of the light-receiving element to an output line of the pixel circuit.

Pixel circuit including optical fingerprint sensing circuit, method for driving pixel circuit, and organic light emitting display device

An electronic device includes: a location measurement circuitry; a rechargeable battery; a memory configured to store instructions; and at least one processor. The at least one processor may be configured to execute the instructions to: monitor a usage pattern of the battery while the electronic device operates in a first power management state; acquire, based on determining that the usage pattern of the battery is different from a reference pattern derived from a model, information on a location in which the battery is estimated to be charged and information on a time at which the battery is estimated to be charged using the model; and switch, partially based on the information on the location and the information on the time, the first power management state to a second power management state based on a second maximum driving frequency lower than the first maximum driving frequency.

Electronic device for adaptive power management

According to various embodiments, an electronic device comprises a battery, a wireless interface including a coil and configured to wirelessly transmit electric power from the battery via the coil, and at least one processor configured to: perform a wireless charging function of wirelessly transmitting electric power to an external device via the wireless interface, while neither the electronic device nor the external device is being supplied with electric power from an external power source via a wire, and based on identifying that the external device starts being supplied with electric power from an external power source via a wire while performing the wireless charging function, stop performing the wireless charging function of wirelessly transmitting electric power to the external device.

Electronic device and method for wire and wireless charging in electronic device

An auxiliary light source device for a reflective liquid crystal display device includes a light source; a light directing member for directing incident light from the light source toward the reflective liquid crystal display device, the directing member having upper and lower surfaces, the lower surface having a plurality of convex portions protruding from the lower surface of the display device, each of the convex portions having a substantially planar surface at its end, the planar surface of the convex portion being substantially parallel to the lower surface; and a light reflecting member which guides light from the light source into the light directing member.

Reflective liquid crystal display device having an auxiliary light source device with a uniform light distribution

A backlight unit is disclosed. The backlight unit includes a light source unit generating light, a beam profile changer at the side of the light source unit, a reflective plate under the beam profile changer, and an optical film positioned on the beam profile changer and the reflective plate. The beam profile changer includes an incident surface facing the light source unit and an emitting surface positioned in a direction parallel to the incident surface. The reflective plate includes a first reflective surface having a first reflective area and a second reflective surface having a second reflective area. The second reflective surface is inclined from an end of the first reflective surface to an upward direction.

Backlight unit

A reflective liquid crystal display device including a liquid crystal display and a body case for protecting the display. An auxiliary light source device supplies light to the display. At least one of the body case and the auxiliary light source device includes engaging structure for removably engaging the auxiliary light source device with the body case. Both of the body case and the auxiliary light source device include electric connection structure for electrically connected the body case and the auxiliary light source device.

Reflective liquid crystal display device with removable auxiliary light source

Growing community of inventors

Kyonggi-do, South Korea

Jeongmin Moon