Samsung Display Co., Ltd.

Lg Display Co., Ltd.

Samsung Electronics Co., Ltd.

Kang-Hyun Kim

Jae-won Jeong

Woo-Young Lee

Woo-jin Jung

Ki-Soub Yang

Seung-Ryul Choi

Jung-Suk Han

Jae-Seob Chung

Dae-Jung Choi

Jong-Hee Na

Han-Hee Kim

Hoi-Sik Moon

Geum-Young Lee

A-Ryoung Lee

Bong-Im Park

Yun-Jae Kim

Bong-Ju Jun

Hwang-Un Seo

Duc-Han Cho

Jae-Ki Lee

Hong-Myeong Jeon

Su-Bin Park

Yong-Jun Choi

Kyoung-Jin Park

Jong-Hyon Park

Jae-Seok Choi

Woo-Jin Jung

Woo-Chul Kim

Bongim Park

Hoisik Moon

Hyungwoo Yim

Juneyoung Lee

Jun-Il Park

Nam-Gon Choi

Ji-Eun Jang

Po-Yun Park

Kwan-Young Oh

Hoi Sik Moon

Hyun-Ju Lee

Hak-Mo Choi

Dong-Beom Cho

Jee-Hoon Jeon

Min-Yup Chae

Ji-Hye Choi

Young-Suk Ha

ByungKil Jeon

Youn-Jin Jung

Shim-Ho Yi

Go-Eun Cha

Min-yup Chae

Ki-Young Yeon

Na-Ri Ahn

Jung-Hwa Park

An electroluminescent display device includes a substrate; a first electrode on the substrate; a connection pattern on the substrate, the connection pattern comprising a same material as the first electrode; a bank covering edges of the first electrode and the connection pattern; an auxiliary bank on the bank corresponding to the connection pattern; a light-emitting layer on the first electrode; and a second electrode on the light-emitting layer, the bank, and the auxiliary bank, wherein the auxiliary bank has a reversely inclined side surface, and wherein the light-emitting layer includes a hole auxiliary layer, a light-emitting material layer, and an electron auxiliary layer, the electron auxiliary layer has an opening exposing the connection pattern, and the second electrode contacts the connection pattern through the hole.

Electroluminescent display device and method of manufacturing the same

An organic light emitting diode display device includes a first substrate including a display region, wherein a plurality of pixel regions are defined in the display region; a first electrode over the first substrate and in each of the plurality of pixel regions; a first bank on edges of the first electrode and including an insulating material blocking penetration of light; a second bank on the first bank and including an insulating material having a hydrophobic property; an organic light emitting layer on the first electrode and a portion of the first bank; and a second electrode on the organic light emitting layer and covering an entire surface of the display region.

Organic light emitting diode display device and method of fabricating the same

An electroluminescent display device includes a substrate; a pixel having a first lateral side and a second lateral side that intersects the first lateral side, the pixel including an emitting diode disposed over the substrate, the emitting diode including a first electrode, an emitting layer on the first electrode, and a second electrode on the emitting layer; an insulating pattern overlapping the first lateral side of the pixel and covering a first end of the first electrode at the first lateral side of the pixel; and a bank surrounding the pixel, wherein the bank overlaps the insulating pattern at the first lateral side of the pixel, and the bank at the second lateral side of the pixel covers a second end of the first electrode.

Electroluminescent display device

An organic light emitting diode display device includes a substrate including a display region, wherein a plurality of pixel regions are defined in the display region; a first electrode over the substrate and in each of the plurality of pixel regions; a bank including a lower layer and an upper layer on the first electrode, the lower layer disposed on edges of the first electrode and having a first width and a first thickness, the upper layer disposed on the lower layer and having a second width smaller than the first width; an organic emitting layer on the first electrode and a portion of the lower layer; and a second electrode on the organic emitting layer and covering an entire surface of the display region.

A display apparatus includes, a first pattern included in a first layer, a second pattern included in a second layer, a first test pattern including a plurality of first lines extending in a first direction and having a first width, and being spaced apart from each other, a second test pattern included in the second layer, including a central line and a plurality of second lines connected to the central line, wherein the plurality of second lines extend in the first direction have a second width, and are spaced apart from each other, and wherein at least one of the second lines is electrically connected to the first lines, and a shift tester configured to apply a test voltage to the central line to determine a degree by which the second pattern is shifted with respect to the first pattern by measuring the voltages at the first lines.

Display apparatus, method of driving the same and method of manufacturing the same

A method of driving a display apparatus including generating first gamma correction data of input data using a first gamma look-up table ('LUT'), determining a Mura correction value of the first gamma correction data, adding the Mura correction value to the input data to generate added input data, generating second gamma correction data of the added input data using the first gamma LUT, and driving a pixel in the display panel using the second gamma correction data of the added input data. The Mura correction value is determined after the gamma correction data is generated, and the generating of the added input data is performed prior to any gamma correction being performed on the input data.

Display apparatus, method of driving the same and vision inspection apparatus for the same

A display device includes a mapping unit for mapping main color data having information on three main colors to generate mapped main data including red, green, and blue information and mapped white data including white information, a compensation lookup table for storing a plurality of gamma compensation values, a gamma compensator for generating compensated main data obtained by gamma-compensating the mapped main data based on a first gamma compensation value corresponding to first gamma white data from among the plurality of gamma compensation values and a second gamma compensation value corresponding to second gamma white data from among the plurality of gamma compensation values by referring to the compensation lookup table, a renderer for sub-pixel-rendering the mapped white data to generate rendered white data, and a splitter for converting the rendered white data into the first and second gamma white data based on different first and second gamma curves, respectively.

Display device and driving method thereof

A display apparatus includes a gamma controller configured to determine whether the target pixel unit is driven in both time division method and space division method based on a plurality of comparison values and a reference condition, and an output controller configured to generate normal gamma-data of the target pixel unit using a normal gamma curve if the plurality of comparison values satisfy the reference condition and to generate high gamma-data and low gamma-data of the target pixel unit using a high gamma curve and a low gamma curve in both time division method and space division method if the plurality of comparison values do not satisfy the reference condition.

Display apparatus and method of driving the same

An organic light emitting diode display device () including: a plurality of pixels () each including first (), second () and third sub-pixels (), wherein the first sub-pixels () of adjacent pixels (), the second sub-pixels () of adjacent pixels () and the third sub-pixels () of adjacent pixels () constitute a plurality of sub-pixel groups (); a first bank layer () dividing the plurality of sub-pixel groups () and dividing the first (), second () and third sub-pixels (); and a second bank layer () on the first bank layer (), the second bank layer () dividing the first (), second () and third sub-pixels ().

Organic light emitting diode display device

A display apparatus includes a display panel that comprises a plurality of pixels, a first image data corrector configured to calculate a Mura correction value of input data based on gamma correction data of the input data, to add the Mura correction value to the input data to generate added input data, and to generate gamma correction data of the added input data, and a data driver configured to drive the plurality of pixels based on the gamma correction data provided from the first image data corrector.

A method of reducing a total, per device, measurements taking time in a calibration system that uses a sensor array that serially reports out its readings and a data processing unit that needs to receive the reported out readings in good order before allowing an under-measurement first display device to advance away from a measurements taking station includes the step of not driving the first display device with all of required full screen test images where each is a full screen display of only a respective one of a predetermined minimum number of grayscale values produced as a minimum number of needed full screen sample images and; in place of at least a first plurality of the not-produced full screen images, driving the under-measurement first display device with a partial screen multi-pattern that presents a plurality of different grayscale values including ones not presented by those of all of the full screen test images that are used to drive the under-measurement first display device. The serially reported out readings from the sensor array for the partial screen multi-pattern and for the full screen test images are obtained and used to generate virtual full screen sample images based on the obtained partial screen multi-pattern and for the full screen test images.

Method of more quickly calibrating display panels and calibration apparatus for performing the same

Organic light emitting diode display device having improved aperture ratio and lifetime

A method of displaying an image on a display panel which comprises a plurality of pixels arranged as a matrix type includes measuring a tristimulus value of X, Y and Z values of a displayed image to generate a target curve, generating a corrected grayscale data of a red pixel, a green pixel and a blue pixel using X, Y and Z values of the target curve and converting the corrected grayscale data to a data voltage to provide a data line of the display panel with the data voltage.

Method of displaying an image, display apparatus performing the same, method of calculating a correction value applied to the same and method of correcting grayscale data

A vision inspection apparatus includes a first luminance profile generator configured to generate a plurality of first luminance profiles corresponding to the plurality of reference grayscales, a gamma corrector configured to calculate a gamma correction value of the display apparatus using the plurality of first luminance profiles corresponding to the plurality of reference grayscales, and a second luminance profile generator configured to apply the gamma correction value to each of the plurality of first luminance profiles and to generate a plurality of second luminance profiles corresponding to the plurality of reference grayscales.

Vision inspection apparatus and method of compensating gamma defect and mura defect thereof

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Seoul, South Korea

Kang-Hyun Kim