Samsung Display Co., Ltd.

Yonsei University

Tcl China Star Optoelectronics Technology Co., Ltd.

Seunghyun Park

Junho Song

Sungin Ro

Jaehak Lee

Sungjin Kim

Hyangyul Kim

Jeanho Song

Ocksoo Son

Yun-Mo Chung

Yeogeon Yoon

Dong Gun Oh

Jieun Lee

Jihyun Kim

Youngjin Park

Jae Ho Kim

Joo-Sun Yoon

Cheol-Gon Lee

Junho Park

Young Je Cho

Ilhun Seo

Sang-Uk Lim

Kyungwon Park

Eunhee Han

Jonghwan Park

Woongki Jeon

JiYong Lee

Seah Kwon

WonHyoung Ryu

A display device includes a display panel including a pixel including a first sub-pixel displaying a first color, a second sub-pixel displaying a second color, and a third sub-pixel displaying a third color, a data driver applying a data voltage generated based on input image data to the pixel in an active period, sensing the first sub-pixel to generate first sensing data in a blank period, sensing the second sub-pixel to generate second sensing data in the blank period, and sensing the third sub-pixel to generate third sensing data in the blank period, and a driving controller compensating for the first sensing data, the second sensing data, and the third sensing data based on a grayscale value of the input image data.

Display device

A display device includes a substrate including a display area and a test area adjacent to the display area, a lower electrode disposed in the display area on the substrate, a common layer disposed on the lower electrode, an upper electrode disposed on the common layer; and a test element group. The test element group includes a plurality of electrode patterns disposed in a same layer as the lower electrode and in the test area on the substrate, a test common layer disposed in a same layer as the common layer and on the electrode patterns, where a plurality of openings is defined through the test common layer to expose a part of each of the electrode patterns, and an electrode layer disposed in a same layer as the upper electrode, on the test common layer, and in contact with the electrode patterns through the openings.

Display device including test element group, and method for inspecting defect of display device

Disclosed are a microneedle patch and a method for fabricating the microneedle patch. The microneedle patch includes a base layer including a mesh structure or auxetic materials having a negative Poisson's ratio, and a microneedle array disposed on the base layer. The method includes forming a base layer including a mesh structure or auxetic materials having a negative Poisson's ratio, and forming a microneedle array on the base layer.

Microneedle patch, micro needle system and method of fabricating the same

An electronic apparatus includes a display panel including a base substrate, a pixel definition layer to define openings, light-emitting devices including light-emitting patterns in the openings, and an encapsulation layer covering the light-emitting device, a cover panel including a window layer, a color filter layer, and a color control layer, the color filter layer being on the window layer, the color control layer being on the color filter layer and including a quantum dot, and a refraction control layer including first refraction patterns, overlapping the light-emitting patterns, respectively, and having a first refractive index, and a second refraction pattern adjacent to the first refraction patterns and having a second refractive index that is lower than the first refractive index, wherein, when measured in a first direction, a largest width of each of the first refraction patterns is larger than a width of each of the light-emitting patterns.

Electronic apparatus with improved reliability

A display device includes: a substrate at which red, green, blue, and white display areas are defined; first, second, and third organic layers having transmittance for white light and disposed on the substrate at the green, blue, and white display areas, respectively; a red color filter on the substrate at the red display area; a green color filter on the first organic layer at the green display area; and blue color filter on the second organic layer at the blue display area. A thickness of the third organic layer is greater than each of thicknesses of the first and second organic layers.

Display device and manufacturing method thereof

A liquid crystal display device includes a reflective liquid crystal display panel and a panel driver configured to generate a driving voltage to drive the reflective liquid crystal display panel. The panel driver generates grayscale voltages having a voltage level between a first voltage and a second voltage based on a driving voltage-reflection ratio property in which a reflection ratio increases when the driving voltage increases to the first voltage and the reflection ratio decreases when the driving voltage increases from the first voltage to the second voltage.

Reflective liquid crystal display and grayscale voltage generator configured to generate grayscale voltages based on the driving voltage-reflection ratio property

Provided is a reflective liquid crystal display device of an embodiment, including a plurality of pixel areas having a blue pixel area and a white pixel area adjacent to each other in a first direction, wherein the blue pixel area includes a first blue pixel part including a first pixel electrode and a first blue filter that overlaps the first pixel electrode, and a second blue pixel part including a second blue filter that does not overlap the first pixel electrode, wherein the white pixel area includes a first sub-white pixel part including a second pixel electrode and a third blue filter that overlaps the second pixel electrode, a second sub-white pixel part disposed between the second blue pixel part and the first sub-white pixel part and including the third blue filter, and a first white pixel part adjacent to the first sub-white pixel part and including the second pixel electrode and a first white filter that overlaps the second pixel electrode, which may improve the color sense for white light.

Reflective liquid crystal display device

A display device includes a liquid crystal display panel including a first substrate, a second substrate facing the first substrate and including a reflective layer, and a liquid crystal layer disposed between the first and second substrates, a light control member disposed on the liquid crystal display panel and including a first optical part, and a polarizing member disposed on the light control member and including a polarizer. The liquid crystal layer includes a first liquid crystal molecule adjacent to the first substrate, and a long axis of the first liquid crystal molecule projected on the first substrate is aligned in a first direction. An extending direction of a long axis of the first optical part projected on the first substrate is parallel to the first direction, and the polarizer has a transmission axis extending in a second direction.

A display device includes a first substrate and a second substrate opposing each other, a reflecting layer, which reflects light incident on the reflecting layer, on the first substrate, a polarizing layer which is disposed on the second substrate and includes a polarizing portion that polarizes light incident on the polarizing portion and a reflecting portion that reflects light incident on the reflecting portion, a liquid crystal layer between the reflecting layer and the polarizing layer, and a retardation layer between the liquid crystal layer and the polarizing layer.

A display device includes a first substrate, a thin film transistor on the first substrate, a passivation layer on the thin film transistor, a reflective layer on the passivation layer, a color filter on the reflective layer, the reflective layer having a substantially same shape as that of the color filter in a plan view, a first insulating layer on the color filter, a pixel electrode on the first insulating layer, a second substrate opposing the first substrate, and a liquid crystal layer between the first substrate and the second substrate.

Display device and method of manufacturing the same

A display device includes a first substrate spaced from a second substrate, a gate line, a first data line, and a second data line on the first substrate, a first switch connected to the gate line and the first data line, a second switch connected to the gate line and the second data line, a first pixel electrode connected to the first switch, and a second pixel electrode connected to the second switch. The second pixel electrode is adjacent to the first pixel electrode. The first gate line extends in a first direction. A first light emission area positioned corresponding to the first pixel electrode and a second light emission area positioned corresponding to the second pixel electrode are adjacent to each other in the first direction. The second data line and the second switch are in the first light emission area.

A display device includes a first substrate. A first gate line is disposed on the first substrate. First and second data lines intersect the first gate line. A first transistor is connected to the first gate line and the first data line. A second transistor is connected to the first gate line and the second data line. A first passivation layer is disposed on the first and second transistors, the first passivation layer including a first contact hole. A first pixel electrode is disposed on the first passivation layer, the first pixel electrode being connected to the first transistor through the first contact hole. A second pixel electrode is disposed on the first passivation layer, the second pixel electrode being connected to the second transistor through the first contact hole. The first and second transistors are both exposed through the first contact hole.

A display device includes substrate including a red pixel area, a green pixel area, a blue pixel area, and a white pixel area, a gate line and a data line on the substrate, a thin film transistor connected to each of the gate line and the data line, an insulating layer on the gate line, the data line, and the thin film transistor, the insulating layer having grooves in the red pixel area, the green pixel area, and the blue pixel area, respectively, a reflective layer on the insulating layer, the reflective layer being in the red pixel area, the green pixel area, and the blue pixel area, a color filter in each of the grooves of the insulating layer, and a transparent pixel electrode on the color filter and the insulating layer, the transparent pixel electrode being connected to the thin film transistor.

A liquid crystal display device includes a first substrate opposing a second substrate, a reflection layer on the first substrate, a color filter layer on the reflection layer, and a pixel electrode on the color filter layer. The color filter layer includes a first color filter adjacent to a second color filter. The reflection layer includes a slit portion overlapping an edge portion between the first color filter and the second color filter.

A display device includes a substrate including first, second, third, and fourth pixel areas, first, second, and third color filters at the first, second, and third pixel areas on the substrate, respectively, and a fourth color filter at the fourth pixel area on the substrate, the fourth color filter having a plurality of holes, wherein the plurality of holes includes a first hole, a second hole, and a third hole adjacent to each other, and wherein a first imaginary straight line passing through a center of the first hole and a center of the second hole has an angle in a range from about 20 degrees to about 80 degrees with respect to a second imaginary straight line passing through the center of the first hole and a center of the third hole.

Growing community of inventors

Seoul, South Korea

Seunghyun Park