Samsung Display Co., Ltd.

Korea Institute of Science and Technology

Samsung Electronics Co., Ltd.

Samsung Electro-Mechanics Co., Ltd.

Microsystems, Inc.

Yonsei University

Sk Telecom Company, Ltd.

Amorepacific Corporation

Korea Kumho Petrochemical Co., Ltd.

Luminature Co., Ltd.

Whizen Global Co., Ltd

Kyonggi University Industry & Academia Cooperation Foundation 1

Dae Young Lee

Gug Rae Jo

Gee Bum Kim

Byung Han Yoo

Jae Ik Lim

Jin Won Choi

Jung Hak Nam

Seung Won Park

Kwang Soo Bae

Chaun Gi Choi

Dae Hwan Jang

Tae Hoon Yang

Dong Gyu Lee

Jung Park

Tae Woo Kim

Dong Eon Lee

Dae-Hwan Jang

Hyun Min Cho

Jeongho Lee

Mu Gyeom Kim

Sung Ho Choi

Seung Hwan Lee

Gun Hee Kim

Young Min Kim

Hae Il Park

Cheol Kyu Kim

Suk Hyung Kim

Sun Hwa Lee

Seo Young Kim

Ji Hun Kim

Dong Uk Kim

Seong Min Wang

Jin Ho Kim

Chae Gwon Lim

Seung Chan Lee

Joo Hyung Lee

Keum Dong Jung

Sang Hyun Jun

Byung Du Ahn

Sang Hwan Cho

Dae Bang Seo

Yun Jong Yeo

Tae Sun Yeoum

Sung Won Jeong

Seung-Pyo Hong

Sung-Chan Jo

Beohm Rock Choi

Jung Gun Nam

Kang Bin Jo

Kang Soo Han

Seong-Ju Kim

Jae-Hyon Kim

Hyeon Sik Kim

Bo Kwang Song

Min Oh Choi

Hyun Dae Lee

Seon Jae Mun

Sung Chul Shin

Byung Ha Kang

Hueng Jae Oh

Hyung Bin Cho

Eun Jung Kim

Jeong Min Lee

Tae Joon Chung

Sang Kug Chung

Kang Yong Lee

Dae Geun Kim

Kun Hee Jo

Ki Hyun Pyo

Ki June Lee

Seong Min Cho

Sung Won Cho

Juewon Kim

Moon Jung An

Hyang A Park

Hyun-Moo Kim

Jae-Hwa Kim

Chan-woong Park

Dong Kuk Lee

Ki-Dae Kim

Byeong Wook Yoo

Sung Jin Ahn

Donghyun Cho

Gi Sub Lee

Sunggi Yang

Dongki Kim

Tae Kyung Ahn

Suhwan Kim

Myung-Ha Kuh

Hosull Lee

Hyohyun Nam

Rae Young Gwak

Il-Suk Ko

Seung Jin Baek

Chun Sik Lee

Jong Moon Chung

Hyeongjin Kim

Woo Seok Jang

Gyung Min Ko

Won-Ki Kim

A self-cleaning device comprises at least one first electrode disposed on a solid material layer, a first dielectric layer disposed on the first electrode, a hydrophobic layer disposed on the first dielectric layer, and at least one mechanical oscillation unit. Electrical oscillation for oscillating a droplet in a horizontal direction is generated by applying a first electric signal to the first electrode, thereby merging droplets formed on the hydrophobic layer, the mechanical oscillation unit moves the merged droplets in a specific direction or atomizes the merged droplets to remove the merged droplets by generating mechanical oscillation for oscillating the droplet in a vertical direction, and each of the droplets has a volume smaller than 3 μl, and new droplet having a volume more than 3 μl is generated by the merging.

Self-cleaning device and method using electrical oscillation and mechanical oscillation

A display device includes: a substrate; a plurality of light emitting parts on the substrate, and to emit light; a plurality of light sensing parts on the substrate, and to sense incident light; a bank layer partitioning the plurality of light emitting parts and the plurality of light sensing parts; and a touch sensing layer including a touch electrode on the bank layer. A first distance between one light sensing part from among the plurality of light sensing parts and the touch electrode in one direction is smaller than a second distance between a first light emitting part of the plurality of light emitting parts and the touch electrode in the one direction.

Display device

A display device includes a fingerprint sensor layer that receives light reflected by an external object; a substrate disposed on the fingerprint sensor layer; an optical pattern layer disposed on the substrate and that includes a light blocking portion and a light transmitting portion that passes through the light blocking portion in one direction; a first light transmitting layer with a first refractive index and that is disposed on the light blocking portion; a second light transmitting layer with a second refractive index different from the first refractive index and that is disposed on the first light transmitting layer; and a light emitting element layer disposed on the second light transmitting layer.

Display device and manufacturing method thereof

A display device and a method of manufacturing the same are provided. A display device comprises a substrate, a first planarization layer disposed on the substrate, the first planarization layer including a recessed portion recessed from an upper surface of the first planarization layer, a first electrode disposed on an upper surface and side surfaces of the recessed portion formed in the first planarization layer, a pixel electrode disposed on the upper surface of the first planarization layer to be spaced apart from the first electrode, a photoelectric conversion layer disposed on the first electrode, and a light-emitting layer disposed on the pixel electrode.

Display device and method of manufacturing the same

A display device according to embodiments of the disclosure includes a base layer, a pixel layer disposed on the base layer and including a light emitting element and a light receiving element, an encapsulation layer covering the pixel layer, a black matrix disposed on the encapsulation layer and including a first opening disposed in a region corresponding to the light receiving element and a second opening disposed in a region corresponding to the light emitting element, a color filter disposed on the black matrix, a refractive layer disposed on the color filter and including a first refractive layer including a third opening disposed in a region corresponding to the first opening and a second refractive layer covering the first refractive layer, and a window disposed on the refractive layer. A cross section of the third opening has a first inclined surface.

Display device including a photo sensor

A display device includes a display part including multiple unit pixels, each of the unit pixels including multiple display pixels and a light sensing pixel, multiple touch electrodes disposed between the display pixels and the light sensing pixel, surrounding circumferences of the display pixels and the light sensing pixel, and sensing a touch, and a main driving circuit sensing a fingerprint by the light sensing pixel. The light sensing pixel in one of the unit pixels and the light sensing pixel in another one of the unit pixels have different light transmissivities for external light, and the main driving circuit analyzes light sensing signals of the light sensing pixels having the different light transmissivities to detect a luminance value or an illuminance value of the external light.

Display device having touch sensing

A display device includes a light emitting sub-pixel disposed in a display area, a light receiving pixel disposed in one of the display area or a non-display area, and a touch sensing layer including a sensing conductive layer overlapping with the light receiving pixel.

A method of driving an electronic device includes displaying a plurality of fingerprint recognition icons on a display device configured to perform fingerprint recognition, and releasing a lock state of the display device through a fingerprint authentication process upon determining at least one first fingerprint recognition icon among the plurality of fingerprint recognition icons is touched. The plurality of fingerprint recognition icons include at least one first fingerprint recognition icon configured to support the fingerprint recognition and at least one second fingerprint recognition icon configured to not support the fingerprint recognition.

Electronic device and method of driving the same

A display device may include a sensor layer, a substrate, a pixel layer, and a black matrix. The sensor layer may include photo sensors. The substrate may be positioned on the sensor layer. The pixel layer may be positioned on the substrate and may include pixels. The substrate may be positioned between the sensor layer and the pixel layer. The pixels may include pixel electrodes. The black matrix may be positioned on the pixel layer, may include first-set openings respectively overlapping with the pixel electrodes, and may include second-set openings not overlapping with any pixel electrodes of the display device in a direction perpendicular to the substrate. The pixel layer may be positioned between the substrate and the black matrix.

A display device includes light emitting pixels that emit light, photosensors each controlling a sensed current according to an incident light, and a read-out circuit that senses the sensed current of each of the photosensors and converts the sensed current into digital sensed data. In a sensing mode including a first frame period and a second frame period, the light emitting pixels include first sensing pixels that emit the light during the first frame period and second sensing pixels that do not emit the light during the first frame period, the photosensors include first photosensors and second photosensors, and a first distance between any one of the first sensing pixels and a first photosensor adjacent to the first sensing pixel among the first photosensors is greater than a second distance between the first sensing pixel and a second photosensor adjacent to the first sensing pixel among the second photosensors.

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system or a 6th-Generation (6G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system. A frequency multiplier of a wireless communication system is provided. The frequency multiplier includes an input circuit to which a local oscillator (LO) signal is input, a multiplier circuit having one end connected to the input circuit and another end connected to a lower terminal of a load circuit, a load circuit having an upper terminal connected to a voltage controller, and a voltage controller configured between the upper terminal of the load circuit and an input power source, wherein the voltage controller may be configured to drop a voltage between the input power source and the upper terminal of the load circuit and reinput a feedback voltage based on an upper terminal voltage of the load circuit to the voltage controller, and a method of multiplying a frequency using the same.

Frequency multiplier equipped with adaptive voltage control block and method therefor

A display device including: a base layer; a backplane structure provided on the base layer, the backplane structure including pixel circuits and a sensor circuit; a pixel layer provided on the backplane structure, the pixel layer including light emitting elements respectively connected to the pixel circuits and a light receiving element connected to the sensor circuit; an encapsulation layer covering the pixel layer; a light blocking member provided on the encapsulation layer, wherein the light blocking member Includes openings overlapping the light emitting elements and the light receiving element; and a color filter provided on the encapsulation layer and covering the light blocking member wherein the light emitting elements include light emitting layers, the light receiving element includes a light receiving layer, and at least one of the openings of the light blocking member overlaps one of the light emitting layers and the light receiving layer.

Display device that includes openings of a light blocking member overlapping a light emitting layer or a light receiving layer

An apparatus for time synchronization of a repeater according to an embodiment of the present disclosure includes a downlink receiver and a downlink transmitter establishing a downlink path for delivering a downlink signal, an uplink receiver and an uplink transmitter establishing an uplink path for delivering an uplink signal, a switch including an upper switch and a lower switch and performing switching such that the downlink path is established in a downlink interval and the uplink path is established in an uplink interval, a delay processor compensating for a time delay of one of the downlink signal and the uplink signal, and a synchronization controller controlling the switching of the switch in synchronization with the time delay of the compensated signal so that the uplink interval and the downlink interval do not overlap.

Apparatus and method for time synchronization of repeater

Self-cleaning device and method using electrical oscillation and mechanical oscillation are disclosed. The self-cleaning device comprises at least one first electrode disposed on a solid material layer, a first dielectric layer disposed on the first electrode, a hydrophobic layer disposed on the first dielectric layer and at least one mechanical oscillation unit. Here, electrical oscillation for oscillating a droplet in a horizontal direction is generated by applying a first electric signal to the first electrode, thereby merging the droplets formed on the hydrophobic layer, and the mechanical oscillation unit moves the merged droplets in a specific direction or atomizes the merged droplets to remove the merged droplets by generating mechanical oscillation for oscillating the droplet in a vertical direction.

Growing community of inventors

Seoul, South Korea

Dae Young Lee