Samsung Display Co., Ltd.

Samsung Mobile Display Co., Ltd.

Duk-Jin Lee

Woo-Suk Jung

Soon-Ryong Park

Noh-Min Kwak

Min-Jae Kim

Jae-Yong Kim

Gi-Na Yoo

Sa-Bang Um

Jeong-No Lee

Hee-Seong Jeong

Chul-Woo Jeong

Sung-Soo Koh

Tae-Kyu Kim

Sang-Hun Park

Il-Ryong Cho

Kyu-Ho Jung

Moo-Soon Ko

Chi-Wook An

Dai-Han Cho

Jung-Jun Im

Ok-Byoung Kim

Seung-Jae Jeong

An organic light emitting diode (OLED) display device includes a first substrate; a first electrode positioned on the first substrate; an organic light emission layer positioned on the first electrode; a second electrode positioned on the organic light emission layer; and a capping layer positioned on the second electrode to cover the organic light emission layer and including an ultraviolet (UV) interception material intercepting UV rays irradiated to the organic light emission layer from the exterior.

Organic light emitting diode display device

An optical film and an organic light emitting display apparatus including the optical film are disclosed. In one embodiment, the optical film is formed on a substrate of the organic light emitting display, and the substrate is configured to transmit light, emitted from an organic light emission unit of the display, toward the optical film. Further, the optical film is configured to absorb ambient light via a first portion, and the optical film is further configured to at least partially transmit light emitted from the organic light emission unit to the environment via a second portion.

Optical film and organic light emitting display apparatus comprising the same

A display device receiving a video signal including grayscale data and displaying images according to the input video signal includes: a photosensor measuring illuminance of external light; a timing controller processing the data signal according to a target gamma value corresponding to the measured illuminance among a plurality of gamma values for a reference curved line representing a relationship of a lightness variation according to a change of grayscale data to be applied to the measured illuminance environment; a data driver applying the processed data signal to a plurality of pixels; and a scan driver applying a scan signal to the plurality of pixels for the data signal to be applied to the plurality of pixels. Accordingly, an image or a motion picture may be displayed with a desired grayscale without influence of external light, and the display quality may be obtained in an external light environment without increasing power consumption.

Display device and gamma setting method for the same

An organic light emitting display includes a display unit divided into a plurality of fields (regions), data and scan drivers, a power supply, and a driving voltage calculator. The display unit has a plurality of cathode electrodes corresponding to the respective fields, and is configured to display an image in response to data and scan signals. The data and scan drivers respectively supply the data and scan signals to the display unit. The power supply has a first output terminal for outputting a first power and a plurality of second output terminals for outputting a plurality of second powers to the plurality of cathode electrodes. The driving voltage calculator calculates the voltage of each of the second powers for a respective one of the cathode electrodes based on a magnitude of a respective one of the data signals.

Organic light emitting display for varying the voltages of the cathode electrodes based on the magnitude of the signal data and driving method thereof

An organic light emitting diode (OLED) display and a method of manufacturing the same are provided. The OLED display includes: a display panel assembly including a first substrate having a display area and a mounting area, a second substrate coupled to the display area of the first substrate, and an integrated circuit chip mounted in the mounting area of the first substrate; a cover window disposed opposite the second substrate and the integrated circuit chip and covering the display panel assembly; and an adhesive layer which fills up a space between the second substrate and the cover window, and a space between the mounting area of the first substrate and the cover window.

Method of manufacturing an organic light emitting diode display device

A flat panel display apparatus including a transparent bezel including a floor part and a sidewall part protruding from the floor part and being capable of transmitting ultraviolet (UV) light, a display panel including a first substrate located on the bezel and having a display unit on one surface thereof and a second substrate facing the first substrate, a transparent window on the bezel, and a resin layer between the second substrate and the transparent window and between the first substrate and the bezel.

Flat panel display apparatus

Provided are a flat panel display device including a protection board configured to prevent damage of a display panel from external impact, and a method of fabricating the same. The display panel and the protection board are closely attached, and distortion of an image displayed on the display panel due to a space between the display panel and the protection board can be prevented. The flat panel display device includes a display panel including a lower substrate, an upper substrate and at least one light emitting element disposed between the lower and upper substrates, a protection board disposed on the display panel, and an adhesive layer disposed between the display panel and the protection board. The method includes preparing a display panel including a lower substrate, an upper substrate and at least one light emitting element disposed between the lower and upper substrates, preparing a protection board, forming an adhesive layer on one surface of the display panel or the protection board, arranging the display panel and the protection board such that the adhesive layer is disposed between the display panel and the protection board, and applying a predetermined pressure to attach the display panel to the protection board.

Flat panel display device and method of fabricating the same

A display device includes: a panel including a plurality of pixel circuits, each of the pixel circuits including a light emitting element having one end coupled to a first voltage source for supplying a first voltage and another end coupled to a second voltage source for supplying a second voltage; a controller for reducing image data for one frame and for outputting a control signal and a data signal to display an image corresponding to the reduced image data on the panel; a voltage difference setting unit for detecting a peak value of the reduced image data and for calculating a driving voltage for generating a peak driving current corresponding to the peak value; and a power supply for generating the first and second voltages and for providing the first and second voltages to the panel in accordance with the driving voltage.

Display device and driving method thereof

Provided are a polarizer and an organic light-emitting display device including the same. The organic light-emitting display device may be protected by enabling the polarizer to effectively absorb external impact.

Polarizer and organic light-emitting display device including the same

An organic light emitting display device comprises: a substrate; a plurality of thin film transistors (TFTs) formed on a first surface of the substrate; a passivation layer covering the plurality of TFTs; a plurality of first pixel electrodes formed on the passivation layer and respectively electrically connected to the plurality of TFTs, and overlapping with the plurality of TFTs so as to cover the plurality of TFTs, and including a reflection layer formed of a light-reflecting conductive material; a second pixel electrode formed of a light-transmitting conductive material and disposed on the passivation layer so as to be electrically connected to the plurality of first pixel electrodes; an opposite electrode formed such that light is transmitted or reflected therethrough, and disposed opposite the plurality of first pixel electrodes and the second pixel electrode; and an organic layer interposed between the plurality of first pixel electrodes and the second pixel electrode, and including an emission layer. Accordingly, transmittivity of the organic light emitting display device is increased, and optical outcoupling efficiency of the organic light emitting display device is also increased during double-sided emission.

Organic light emitting display device

An anti-reflection film and a display device including the same, and a manufacturing method of an anti-reflection film and a master film therefor. The anti-reflection film includes an anti-glare and anti-reflection layer, a surface of the anti-glare and anti-reflection layer having an anti-glare pattern for scattering incident light and an anti-reflection pattern.

Anti-reflection film and display device including the same, and manufacturing method of anti-reflection film and master film therefor

An organic light emitting display and a driving method thereof. The organic light emitting display includes a display unit for emitting light in response to a current flowing through the display unit from a first power supply to a second power supply. The current corresponds to a data signal and a scan signal. According to one embodiment, the organic light emitting display further includes a power supply unit having a first output terminal for outputting a first power of the first power supply and a second output terminal for outputting a second power of the second power supply to the display unit, and a driving voltage calculation unit for determining a voltage of the second power corresponding to the current, thereby the power consumption of the organic light emitting display may be reduced.

Organic light emitting display and driving method thereof

Disclosed is an organic light emitting diode (OLED) device, which includes: an organic light emitting diode including a first electrode, a second electrode, and an emission layer interposed between the first electrode and the second electrode; a base substrate supporting the organic light emitting diode; and a sealing member disposed on the base substrate while covering the organic light emitting diode. Herein, the sealing member includes a fluorinated epoxy sealing material including a fluorinated epoxy resin.

Organic light emitting diode display

An organic light emitting diode (OLED) display includes an illuminance sensing unit configured to sense an external illuminance, a brightness determination unit configured to determine a brightness of the OLED display according to an illuminance sensed by the illuminance sensing unit, a driving voltage determination unit configured to determine a driving voltage corresponding with a current saturation point of the OLED display, the driving voltage being determined based at least in part on a driving current and the brightness determined by the brightness determination unit, a voltage conversion unit configured to receive an input voltage, generate a first voltage higher than the input voltage, and generate a second voltage lower than the input voltage, and a display unit configured to receive the first and second voltages from the voltage conversion unit and display an image.

Growing community of inventors

Yongin, South Korea

Duk-Jin Lee