Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Samsung Displayco., Ltd.

Jae-Joong Kwon

Hyoung-Joo Kim

Sung-Kyu Shim

In-Sun Hwang

Seung-In Baek

Sung-wook Kang

Seul-Gi Kim

Ju-Young Yoon

Young-Jun Seo

Jin-Hee Park

Seung-Hwan Chung

Ha-Young Lee

Yun-Seon Do

Sang-Hoon Lee

Jun-Young Lee

Joo-Young Kim

Yong-Woo Lee

Se-Ki Park

Beom-Shik Kim

Joo-Woan Cho

Jin-Sung Choi

Jin Wook Seo

Kang-Woo Lee

Taek-Sun Shin

Seung-Hwa Ha

Chi-O Cho

Seung-Mo Kim

Jung-Hun Noh

Hyun-Chul Bae

Min-young Song

Tae-Seok Jang

Kyoung-Don Lee

In-Sung Hwang

Hyung-Don Na

Si-Joon Song

Sang-chul Byun

Cheol-Yong Noh

Seok-Won Kang

Hyo-Sun Kim

Dong-hyeon Lee

Woo-Jun Kim

Hye-Sog Lee

An organic light emitting display device includes a substrate, a lower electrode, a light emitting layer, an upper electrode, and a light guide structure. The substrate includes a sub-pixel region and a transparent region. The lower electrode is disposed in the sub-pixel region on the substrate. The light emitting layer is disposed on the lower electrode, and includes an organic emission layer. The upper electrode is disposed on the light emitting layer. The light guide structure is disposed on the upper electrode, and partially overlaps the organic emission layer that is located at the sub-pixel region and the substrate that is located at the transparent region in a plan view.

Organic light emitting display device including a transparent region

A stereoscopic image display panel includes a display panel including a unit pixel that includes pixels, where each of the pixels emits light based on a data signal, and a lens array including a lens that is located on the display panel in accordance with a location of the unit pixel. Each of the pixels includes a light-emitting element that is located near a center of an area of the unit pixel and a pixel driving circuit that drives the light-emitting element.

Display panel, stereoscopic image display panel, and stereoscopic image display device having pixel layout based on arrangement of lens array to be used therewith

A transparent display panel includes a transparent display structure and a light transmittance adjusting structure. The transparent display structure includes a display region and a transmittance region. The light transmittance adjusting structure is located over or under the transparent display structure. The light transmittance adjusting structure includes a volume changeable material of which a volume is changed in response to intensity of incident light or a photochromic material of which a coloring degree is changed in response to the intensity of incident light. The transparent display panel effectively improves quality of an image displayed on the transparent display panel by maintaining or adjusting a contrast ratio of the image according to the intensity of the incident light.

Transparent display panel and transparent display device including the same

A watch may include a first display unit, a second display unit, a first polarizer set, and a second polarizer set. The second display unit may be positioned over the first display unit and may transmit light. One of the first display unit and the second display unit may display a time information image that indicates time. The other of the first display unit and the second display unit may display non-time information image, e.g., a user interface element. The first polarizer set may be positioned between the first display unit and the second display unit. The second polarizer set may be positioned on the second display unit. One of the first polarizer set and the second polarizer set may rotate relative to the other for enabling the watch to conceal or show the time information image.

Multi-mode watch and method for operating the multi-mode watch

A backlight assembly includes a light source, a circuit board on which the light source is disposed, a light guide plate in which light emitted from the light source is incident on one surface and is emitted to the other surface, a bottom case configured to accommodate the light guide plate, and a wavelength conversion unit between the light source and the light guide plate. The wavelength conversion unit includes a frame having an opening, the rectangular frame including a top frame, a bottom frame and side frames extending substantially perpendicular to the top frame and the bottom frame, and connecting the top frame and the bottom frame.

Backlight assembly and display device having the same

An organic light-emitting display apparatus includes: a substrate; an organic light-emitting device including a first electrode disposed on the substrate, a second electrode disposed to face the first electrode, and an intermediate layer including an organic emission layer disposed between the first electrode and the second electrode; and a light scattering layer disposed on at least one of the first electrode and the second electrode disposed in a light emission direction, where the light scattering layer includes a plurality of barriers, and a light scattering pattern disposed at a side surface of each of the plurality of barriers.

Organic light-emitting display apparatus

An organic light-emitting display apparatus includes a substrate, an organic light-emitting device including a first electrode disposed on the substrate, a second electrode disposed opposite the first electrode, and an intermediate layer disposed between the first and second electrodes, where the intermediate layer includes an organic emission layer, and an encapsulation unit disposed on the organic light-emitting device, where at least one of the substrate and the encapsulation unit, which is disposed in an emission direction of light, includes a region having a first refractive index and a region having a second refractive index greater than the first refractive index, and the region having the first refractive index and the region having the second refractive index include materials having a same chemical formula as each other.

Organic light-emitting display apparatus and method of manufacturing the same

A backlight assembly includes a light guide plate having at least five sides. There is a first side. A second side is parallel to and equal in length to the first side. A third side is perpendicular to the first and second sides. A fourth side is parallel to and shorter in length than the third side. There is at least one oblique side connecting the fourth side to the first or second side. The backlight assembly additionally includes a light source unit disposed the fourth side and the oblique side of the light guide plate.

Backlight assembly with uniform light distribution

A light-emitting module includes a light guide plate and a light source unit in accordance with an embodiment. The light guide plate include an upper surface, a lower surface facing the upper surface, a plurality of side surfaces connecting the upper surface and the lower surface, and a cross-sectional surface connected to at least one of the side surfaces. The light source unit includes a substrate disposed in correspondence with the cross-sectional surface and a point light source mounted on the substrate to emit light to the cross-sectional surface. Thus, light-emitting efficiency may be enhanced and the arrangement of point light sources may be optimized, so that a required amount of emitted light may be obtained using a small number of the point light sources. In addition, uniformity of luminance and heat-radiating efficiency may also be enhanced.

Light-emitting module and display device having the same

A display apparatus includes a display panel which displays images, a light source unit which generates and emits a light, a reflective sheet disposed below the display panel, and a plate disposed between the reflective sheet and the display panel. The reflective sheet includes a light diffusion pattern provided on an upper surface thereof facing the display panel, which diffusely reflects the light, to guide the light provided from the light source unit toward the display panel. The plate is spaced apart from the reflective sheet by a predetermined distance and includes a plurality of prisms provided on a lower surface thereof facing the reflective sheet to selectively reflect and transmit the light, which is provided from both the light source unit and the reflective sheet, according to an incident angle of the light.

Display apparatus

A backlight unit includes a mold frame, a metal core printed circuit board ('MCPCB') on which at least one light emitting diode ('LED') is mounted, a reflector, a light guide plate, and an optical sheet. The mold frame includes an MCPCB fixing portion, the MCPCB is directly and removably disposed on the MCPCB fixing portion, and a lower surface of the MCPCB is exposed to the outside of the mold frame. On the MCPCB, a reflector, a light guide plate, and an optical sheet are placed in the order named. The light guide plate has a light entering surface facing the LED.

Backlight unit having fixed and removable metal core printed circuit board and liquid crystal display module having the same

In accordance with one or more embodiments of the present disclosure, a light guide plate includes a first light incident surface receiving a first external light, a second light incident surface receiving a second external light and opposite to the first light incident surface, a light exit surface connecting the first and second light incident surfaces to output the first and second external lights, a reflective surface reflecting the first and second external lights in opposition to the light exit surface, and optical path changing portions each of which having a first inclined surface and a second inclined surface. The optical path changing portions are provided on the reflective surface with a predetermined interval and recessed toward the light exit surface to reflect the first and second external lights to the light exit surface.

Light guide plate and backlight unit having the same

A light guide plate and a display device having the same are provided, which can uniformly emit light on the whole. The light guide plate includes a light input part including first and second areas to which light is incident, and a light output part neighboring the light input part and outputting light. The light having passed through the first area is emitted with its light quantity distribution biased in a first direction, and the light having passed through the second area is emitted with its light quantity distribution biased in a second direction different than the first direction.

Light guide plate, display device having the same, and method thereof

Provided are a backlight assembly and a display device having the same. The backlight assembly includes a light source unit which generates light; and a light guide plate which comprises an incident light surface through which the light from the light source unit enters the light guide plate, an upper surface joined to the incident light surface and that includes a prism pattern, and a lower surface opposing the upper surface and formed with a plurality of concave portions. A diffusing pattern is formed on one of the upper surface and the lower surface.

Disclosed herein are a light guide plate, a backlight assembly including the light guide plate, and a liquid crystal display device including the backlight assembly which can uniformly maintain the brightness uniformity and prevent the moir&#xe9; phenomenon. The light guide plate in accordance with the present disclosure includes: an incident surface, to which light generated from a light source is incident, including a diffusion pattern formed in a round shape; an emitting surface, through which the light is emitted, including a first prism pattern; and an opposite surface, formed opposite to the emitting surface, including a direction change pattern by which the direction of the light is changed toward the emitting surface.

Growing community of inventors

Suwon-si, South Korea

Jae-Joong Kwon