Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Hynix Semiconductor Inc.

Samsung Mobile Display Co., Ltd.

Ls Mitron Ltd.

Samusng Display Co., Ltd.

Jun-Woo Lee

Baek-Kyun Jeon

Hee-Seop Kim

Eun-Hee Han

Chang-Hun Lee

Taek-Sang Song

Jin-Soo Jung

Seung-Hoon Lee

Dae-Han Kwon

Jiangang Lu

Hoi-Lim Kim

Sung-Yi Kim

Suk-Hoon Kang

Soo-Ryun Cho

Kyung-Hoon Kim

Ji-Won Sohn

Hwa-Sung Woo

Yong-Hwan Shin

Fusayuki Takeshita

In-suk Lee

Tae-Ho Kim

Hak-Sun Chang

Byoung-Hun Sung

Seon-Ah Cho

Sung-Jae Yun

Tae-Sung Jung

Jong-Ho Son

Young-Gu Kim

Min-Sik Jung

Bong-Sung Seo

Chang-Kyu Choi

Dae-Kun Yoon

Hong-Jo Park

Jun-Hee Na

Jong-Sung Bae

Lujian Gang

Kyoung-tae Kim

Jeong-Hye Choi

Hyun-Ku Ahn

Dong-Gyu Kim

Jae-Jin Lyu

Jae-Hoon Kim

Ji-Eun Kim

Yong-Ju Kim

Kwan-Wook Jung

Jun-Young Lee

Mee-Hye Jung

Baek Kyun Jeon

Yoon-Sung Um

Jun-Ho Lee

Suk Hoon Kang

Sung-wook Kang

Hyun-Wuk Kim

Sung-Woon Kim

Eun Ju Kim

Moo-Jin Kim

Sung-Woo Han

Su-Jeong Kim

Kun-Woo Park

Guang Hai Jin

Kwan-Weon Kim

Mi Hwa Lee

Joo-Seok Yeom

Joo Seok Yeom

Kyoung Tae Kim

Dong-Hoon Chung

Gak-Seok Lee

Hyun Ku Ahn

Hee-Hwan Lee

Ji-Yeon Baek

Jee-Hoon Kim

Sung-Tae Shin

Yeong Rong Park

Kyoung-Mi Park

Joon-Mo Seo

Si-Heun Kim

Byoung-Un Kang

Mi-Hwa Lee

Gyo-Jic Shin

Soon-Young Hyun

Jang-Wi Ryu

Il-Kwon Lee

Yeong-Rong Park

Hyo-Ju Jung

E-joon Choi

Ju-Hyuk Kim

Jin-Myoung Lee

Sang-Goo Jung

In-Ae Lee

A liquid crystal display panel includes a first substrate, a second substrate, a first alignment layer, a second alignment layer and a liquid crystal layer. The second substrate faces the first substrate. The liquid crystal layer is disposed between the first alignment layer and the second alignment layer. The first alignment layer and the second alignment layer each include a polyimide compound polymerized by cyclobutane-1,2,3,4-tetracarboxylic dianhydride and cyclobutane-1,2,3,4-tetracarboxylic dianhydride derivative.

Liquid crystal display panel and method of manufacturing the same

Provided is a liquid crystal display device including a first substrate on which a first alignment layer is formed, a second substrate on which a second alignment layer is formed, and a liquid crystal layer disposed between the first and second alignment layers and including liquid crystals of a helical structure in which a helical axis is parallel to the first and second substrates. At least one of the first and second alignment layers has a graduation distribution profile of a pretilt angle which ranges from about 0 degrees to about 90 degrees.

Liquid crystal display device and method of manufacturing the same

A photo-alignment composition includes a compound comprising a repeat unit represented by Chemical Formula 1 and a solvent. The photo-alignment composition is coated on a first substrate and a second substrate facing the first substrate, thus forming alignment layers. A liquid crystal layer is formed between the first substrate and the second substrate. The photo-alignment composition includes a compound structure having a high decomposition rate and a functional group capable of a hydrogen bond, which is weaker than a covalent bond. Thus, a hardness of the alignment layer may be improved at a room temperature, and a hydrogen bonding functional group of the photo-alignment composition may be decomposed at a high temperature thus photo-aligning the alignment layer. Therefore, an afterimage of a screen may decrease, and a hardness of the alignment layer may increase.

Photo-alignment composition and method of manufacturing a display panel using the same

An organic light emitting diode (OLED) display is disclosed. The OLED display includes a substrate, a scan line on the substrate and configured to transfer a scan signal, a data line crossing the scan line and configured to transfer a data signal, a driving voltage line crossing the scan line or the data line and configured to transfer a driving voltage, a switching thin film transistor (TFT) connected to the scan line and the data line, a driving TFT connected to the switching TFT and the driving voltage line, an OLED connected to the driving TFT, and a storage capacitor connected to the driving voltage line and a driving gate electrode of the driving TFT. The storage capacitor includes a first storage capacitor plate that overlaps the driving voltage line.

Organic light emitting diode display

A liquid crystal display includes; a first substrate, a second substrate disposed facing the first substrate, an alignment layer disposed on at least one of the first substrate and the second substrate, wherein the alignment layer comprises a major alignment material and a vertical photo-alignment material, and the vertical photo-alignment material comprises a first vertical functional group, and a liquid crystal layer interposed between the first substrate and the second substrate.

Liquid crystal display and manufacturing method thereof

A semiconductor device, a test structure of the semiconductor device, and a method of testing the semiconductor device are provided. The test structure including a first pad and a second pad being separated from each other, and a first test element and a second test element connected between the first pad and the second pad, a first value of a characteristic parameter of the first test element being different from a second value of the characteristic parameter of the second test element, may be provided.

Semiconductor device, test structure of the semiconductor device, and method of testing the semiconductor device

A method and an apparatus for programming data, and a method and an apparatus for setting a data programming mode used for the same are provided. The method for programming data in a non-volatile memory device includes determining a programming mode to be used for data programming among at least two programming modes prescribing different verify voltages for cells to be programmed, based on set mode information, and programming data according to the determined programming mode. Consequently, the loss of programmed data is prevented through an SMD reflow process.

Method and apparatus for surface mounting a non-volatile memory device

A method of manufacturing a photo-alignment layer, includes: disposing a polymer material on a substrate; pre-baking the polymer material disposed on the substrate; irradiating a light to the pre-baked polymer material, to photo-align the pre-baked polymer material; and thermal-treating the irradiated pre-baked polymer material, to harden the irradiated pre-baked polymer material. The thermal-treating includes a first thermal-treatment, and a second thermal-treatment at a higher temperature than the first thermal-treatment.

Method of producing photo-alignment layer of liquid crystal display

A display panel includes a gate line, a data line, a pixel electrode formed adjacent to the gate and data lines on a lower substrate and a first alignment film disposed in a first domain disposed on the pixel electrode and in a second domain formed on pixel electrode. The first domain is aligned in a first direction and the second domain is aligned in a second direction which is different from the first direction. The upper substrate opposes the lower substrate and includes a common electrode disposed on the upper substrate and a second alignment film disposed on the common electrode at a third domain corresponding to the first domain and at a fourth domain corresponding to the second domain. The liquid crystal layer is disposed between the lower substrate and the upper substrate and includes liquid crystals defined by a plurality of pixel areas.

Display panel and method for manufacturing the same

In a photo alignment method, a substrate and a mask are aligned so that the substrate is spaced apart from the mask by a predetermined gap. An organic layer is formed on the substrate. The mask has a transmission portion and a light blocking portion. Light is irradiated through the mask in a direction substantially parallel with an interface between the transmission portion and the light blocking portion of the mask. Polymer chains are formed on an upper portion of the organic layer. The polymer chains are aligned in an alignment direction toward an incident direction of the light. Locations of the substrate and the mask are sensed in real time. The mask is transported to a predetermined location with respect to the substrate based on the sensed locations of the substrate and the mask.

Photo alignment method, exposure system for performing the same and liquid crystal display panel manufactured by the same

A liquid crystal display including: a first substrate and a second substrate facing each other; an alignment layer disposed on one of the first substrate and the second substrate and including a vertical photo-alignment material which includes a first vertical functional group and a photo-reactive group, and a major alignment material which does not include the photo-reactive group; and a liquid crystal layer disposed between the first substrate and the second substrate, wherein a ratio of a molar concentration of the vertical photo-alignment material to the molar concentration of the major alignment material increases in a direction towards a surface of the alignment layer adjacent to the liquid crystal layer.

Air is sprayed on the first polymer film along a first negative direction in the sub pixel areas of an n-th row of a unit pixel area, and air is sprayed on the first polymer film along a first positive direction in the sub pixel areas of an (n+1)-th row of the unit pixel area to form a first alignment layer. Air is sprayed on the second polymer film along a second negative direction crossing the first negative direction in the sub pixel areas of an n-th column of the unit pixel area, and air is sprayed on the second polymer film along a second positive direction crossing the first positive direction in the sub pixel areas of an (n+1)-th column of the unit pixel area to form a second alignment layer.

Display panel and method of manufacturing the same

A wide variety of different alignment polar angles can be created in the alignment layers of a liquid crystal display with just a small number of UV exposure steps by using one or a combination of overlappable UV masks, where the one or more combinations of overlappable UV masks simultaneously define a maximal transmission region, an intermediate transmission region and a nontransmitting (blocking) region. UV rays are irradiated through masks in different irradiation directions while the mask or masks are disposed in different orientations.

Mask for photoaligning an alignement layer, photoalignment method using the same, and liquid crystal display having the photoaligned alignement layer

A display panel includes a lower substrate, an upper substrate and a liquid crystal layer. The liquid crystal layer includes a plurality of domains, a horizontal domain boundary texture area and a vertical domain boundary texture area. The domains are disposed in a matrix shape. The horizontal domain boundary texture area extends in a first direction in a boundary between the domains adjacent to each other in a second direction and has a slope of a liquid crystal slowly (e.g., less) inclined compared to that of the domains. The vertical domain boundary texture area extends in the second direction in a boundary between the domains adjacent to each other in the first direction and has a width larger than that of the horizontal domain boundary texture area.

Display panel, method of manufacturing the same and alignment mask for manufacturing the same

A photoalignment material includes a photoalignment polymer having a photosensitive portion represented by the following Chemical Formula 1, 

Photoalignment material, display substrate having an alignment layer formed using the same, and method of manufacturing the display substrate

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Anyang-si, South Korea

Jun-Woo Lee