Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Lg Electronics Inc.

Yonsei University

Seoul National University

Sungkyunkwan University

Minwoo Kim

Woongsik Kim

Hyung-Il Jeon

Sungkook Park

Minwoo Lee

Wonsang Park

Seungjin Kim

Junhyeong Park

Jinwoo Choi

Gwanghui Lee

Woojun Jung

Daeho Song

Geebum Kim

Jungyong Lee

Jongho Hong

Baek Hee Lee

Byungchoon Yang

Jaejin Lyu

Seoyoung Lee

Juseok Lee

Hyeyong Chu

Taekjoon Lee

Donghee Lee

Junwoo Lee

Soomin Baek

Manseob Choi

Deokgi Lee

Hyosang Youn

Changseok Chae

Hyungju Park

Sangwoo Kim

Donghyun Yeom

Kwangtai Kim

Jae-Kyoung Kim

Il Nam Kim

Jaeik Lim

Jaemin Kim

Seungwook Kwon

Jaemin Shin

Jinho Choi

Won Woo Ro

Jinyong Kim

Hyunsu Park

Jungwoo Song

Katsumasa Yoshii

Sangwoo Park

Boram Noh

Hwansoo Suh

Seungryeol Kim

Seunghwan Jung

Mingyeong Jo

Youngjae Song

Dae-Hyeong Kim

Sungjoo Lee

Hyungil Jeon

Hyunjoo Ryu

Qinke Wu

Hyodong Ban

Jun Kyul Song

Kimyung Lee

Seungyup Chang

Dayoung Ju

Yun Ho Oh

Sang Peel Lee

Daekyu Park

Kwonsoo Kim

Bonhong Gu

Daegwon Ha

Minhyun Park

Seokyoung Oh

Karam Park

Minhyung Kim

Kyungbo Min

A semiconductor device includes conductive patterns, an insulating pattern between the conductive patterns, an insulating etch stop layer on the conductive patterns and the insulating pattern, a capacitor including first electrodes in contact with the first conductive patterns, a second capacitor electrode, and a dielectric between the first and second capacitor electrodes, an insulating structure covering the capacitor and the insulating etch stop layer, and a peripheral contact plug through the insulating structure and the insulating etch stop layer and including first through fifth plug regions stacked on top of each other, at least a portion of a side surface of the fourth plug region having an inclination angle different from inclinations angles of the third and fifth plug regions, and a vertical thickness of the fifth plug region being at least twice as great as a sum of vertical thicknesses of the first to fourth plug regions.

Semiconductor device including contact plug

A display apparatus includes a base layer including device counterparts and bridges, the bridges being located around the device counterparts and connecting the device counterparts to each other, an inorganic insulating layer located over the base layer and having openings exposing at least a portion of at least one of the bridges, organic layers filling the openings, wires located over the organic layers, display devices located over the device counterparts, and encapsulation films each of which has a form of an island to correspond to a corresponding one of the device counterparts, each of the encapsulation films including a first inorganic encapsulation film covering a corresponding one of the display devices, an organic encapsulation film located over the first inorganic encapsulation film, and a second inorganic encapsulation film covering the organic encapsulation film and contacting the first inorganic encapsulation film outside of the organic encapsulation film.

Display apparatus

A switching regulator generates an output voltage from an input voltage and includes; a charge sharing circuit that selectively forms one of a first charge sharing path between a first flying capacitor and a second bootstrap capacitor and a second charge sharing path between a second flying capacitor and a first bootstrap capacitor based on first and second conversion modes.

Switching regulator and operating method

Disclosed are display panels and methods of fabricating the same. The display panel includes a base substrate having a pixel area and a peripheral area adjacent to the pixel area, a light emitting element on the base substrate to generate a first light and overlapping the pixel area, a light control layer on the light emitting element to convert the first light into a white light, and a color filter layer on the light control layer and includes a first color filter that allows penetration of the first light, a second color filter that allows penetration of a second light different from the first light, and a third color filter that allows penetration of a third light different from the first light and the second light.

Display panel and method of fabricating the same

An electronic device includes a display including a plurality of pixels; a display driver configured to provide a data voltage to the plurality of pixels of the display; and a processor configured to: obtain frequency change-based event information, determine a first frequency and a second frequency higher than the first frequency based on the frequency change-based event information, the first frequency being a target value of a refresh frequency, and provide frame data to the display driver, wherein the processor is further configured to control the display driver to: set a frame section in which the display is driven, during a first frame, generate the data voltage based on the frame data and provide the data voltage to the plurality of pixels, and during a low-frequency driving section, in which the frame data is not obtained, after the first frame, refresh an image based on the second frequency and refresh the image based on the first frequency.

Electronic device comprising display and operation method thereof

On an electronic device which includes a display device comprising a display driving circuit, a processor, and a memory a method for changing a refresh rate of the display device includes: changing at least one of a first parameter, a second parameter, or a third parameter in response to identifying the occurrence of at least one of a scan rate change request or a change in scan rate change restriction, and applying the changed parameter among the first parameter, the second parameter, and the third parameter. The first parameter is the frequency of a first synchronization signal generated in the display driving circuit, the second parameter is the increase or decrease in a blank area to substitute for a portion of active video area in frame information, and the third parameter is the frequency of a second synchronization signal for rendering.

Electronic device comprising display, and operation method thereof

A storage controller includes a prefetch buffer configured to buffer data prefetched from a non-volatile memory during a prefetch operation, a determiner circuit configured to output one of the prefetched data and normal data read from the non-volatile memory, as read data, and a prefetch control circuit configured to enable the prefetch operation during a first time when a sequential read operation is performed on the non-volatile memory, disable the prefetch operation at a second point after the first time, and enable the prefetch operation or maintain the disable of the prefetch operation according to performance of the read data in a prefetch suspend period after the second time in which the prefetch operation is disabled.

Storage controller having data prefetching control function, operating method of storage controller, and operating method of storage device

Provided is a display device including a base layer, a pixel circuit disposed on the base layer, a pixel electrode electrically connected to the pixel circuit, a middle layer disposed on the pixel electrode and including a polymer resin layer and a conductive layer, a plurality of light emitting diodes disposed on the conductive layer and electrically connected to the pixel electrode, and a common electrode configured to cover the plurality of light emitting diodes and electrically connected to the plurality of light emitting diodes. Each of the plurality of light emitting diodes includes a first electrode, a light generating layer, and a second electrode sequentially stacked in a thickness direction of the base layer.

Display device and display device manufacturing method

An organic light-emitting display device with improved light efficiency includes a plurality of pixel electrodes each corresponding one of at least a first, second, or third pixel; a pixel-defining layer covering an edge and exposing a central portion of the pixel electrodes; an intermediate layer over the pixel electrode and including an emission layer; an opposite electrode over the intermediate layer; and a lens layer over the opposite electrode and including a plurality of condensing lenses each having a circular lower surface. An area of the portion of the pixel electrode exposed by the pixel-defining layer is A, and an area of the lower surface of the condensing lens is B. For the first pixel, a ratio B/A ranges from about 1.34 to about 2.63. For the second pixel, B/A ranges from about 1.43 to about 3.00, For the third pixel, B/A ranges from about 1.30 to about 2.43.

Organic light-emitting display device

A display device including at least one emission area emitting light and a transmission area adjacent to the at least one emission area and transmitting external light. The display device includes a substrate and a circuit element including at least one transistor and a storage capacitor disposed on the substrate. An insulating layer is disposed on the circuit element and includes a contact hole. A first transparent electrode is disposed on the insulating layer and is electrically connected to the circuit element through the contact hole. At least one light-emitting diode is disposed on the first transparent electrode and defines the at least one emission area. The at least one light-emitting diode comprises a PN diode including inorganic semiconductor based-materials. A portion of the first transparent electrode is located in the transmission area.

Display device and method of manufacturing the same

Certain embodiments relate to an electronic device and a method for changing gamma values and may include determining a target gamma curve related to first image data to be displayed by a display panel, receiving a request for switching a scan rate of the display panel from a first frequency to a second frequency, determining a gamma offset and an offset margin in response to reception of the request, determining a limit gamma curve generated by applying the gamma offset and the offset margin to the first gamma curve, generating second image data by correcting the first image data, based on a difference value between the limit gamma curve and the target gamma curve to map the first image data to the target gamma curve, and driving the display panel, based on the second image data and the limit gamma curve. This document may further include various other embodiments.

Electronic device and method for changing gamma according to refresh rate

A display device and a manufacturing method of a display device are provided. A display device includes a base substrate; an electrode on the base substrate, a light emitting element on the base substrate and electrically connected to the electrode, and a solution layer between the base substrate and the light emitting element, the solution layer including a light blocking material.

Display device and manufacturing method thereof

Growing community of inventors

Yongin-si, South Korea

Minwoo Kim