Abstract: In one aspect, a back plane for use in flat panel displays is provided. The back plane may include a substrate; an auxiliary layer; a source electrode and a drain electrode; an active layer; a first insulation layer; a gate electrode; and a second insulation layer.
Abstract: A heterocyclic compound represented by Formula 1 below and an organic light-emitting device including the same: wherein Formula 1 is defined as in the detailed description.
Type:
Application
Filed:
October 13, 2011
Publication date:
January 3, 2013
Applicant:
SAMSUNG MOBILE DISPLAY CO., LTD.
Inventors:
Sun-Young Lee, Yoon-Hyun Kwak, Bum-Woo Park, Hee-Joo Ko, Jong-Hyuk Lee
Abstract: A display panel includes a display unit including a plurality of pixels, and a test pad unit having a plurality of pads configured to transmit a test signal to the display unit during a test period, the plurality of pads being disabled after the test period is completed, the test pad unit including a plurality of first pads that transmit the test signal, applied from outside during the test period, to the display unit, and a plurality of second pads and an auxiliary pad that disable the plurality of first pads when the test period is completed.
Abstract: A heterocyclic compound represented by Formula 1 or Formula 2 below, an organic light-emitting device including the heterocyclic compound, and a flat display device including the organic light-emitting device: wherein Ar1 to Ar16, and R1 to R4 are defined as in the specification.
Type:
Application
Filed:
May 24, 2012
Publication date:
December 27, 2012
Applicant:
SAMSUNG MOBILE DISPLAY CO., LTD.
Inventors:
Jeoung-In Yi, Seung-Gak Yang, Hee-Yeon Kim, Jae-Yong Lee
Abstract: An organic light emitting diode lighting apparatus is disclosed. In one embodiment, the apparatus includes: a substrate main body, an organic light emitting element formed on the substrate main body and a sealing cap bonded with the substrate main body and covering and sealing the organic light emitting element. The sealing cap may further include a surface facing the organic light emitting element and the surface is divided into a plurality of thickness parts having different thicknesses.
Type:
Application
Filed:
April 20, 2012
Publication date:
December 27, 2012
Applicant:
Samsung Mobile Display Co., Ltd.
Inventors:
Yong-Han Lee, Ok-Keun Song, Doo-Hwan Kim, Sung-Jin Choi
Abstract: An anode for an organic light emitting device which introduces a metal oxide to improve flows of charges, and an organic light emitting device using the anode. The anode for the organic light emitting device has excellent charge injection characteristics, thereby improving power consumption of the organic light emitting device.
Abstract: An electrode, which includes a magnetic material to improve the flow of charges, and an organic light emitting device using the electrode. The electrode for the organic light emitting device has an excellent charge injection property, so that it is possible to improve the efficiency of light emission of the organic light emitting device.
Abstract: A compound represented by Formula 1 below and an organic light-emitting device including an organic layer containing the compound of Formula 1: wherein R1 to R4, X and Y, a and b, and m and n are defined as in the specification.
Abstract: A method of manufacturing a TFT, including forming a buffer layer, an amorphous silicon layer, an insulating layer, and a first conductive layer on a substrate, forming a polycrystalline silicon layer by crystallizing the amorphous silicon layer, forming a semiconductor layer, a gate insulating layer, and a gate electrode that have a predetermined shape by simultaneously patterning the polycrystalline silicon layer, the insulating layer, and the first conductive layer, wherein the polycrystalline silicon layer is further etched to produce an undercut recessed a distance compared to sidewalls of the insulating layer and the first conductive layer, forming source and drain regions within the semiconductor layer by doping corresponding portions of the semiconductor layer, forming an interlayer insulating layer on the gate electrode, the interlayer insulating layer covering the gate insulating layer and forming source and drain electrodes that are electrically connected to source and drain regions respectively.
Type:
Application
Filed:
December 7, 2011
Publication date:
December 27, 2012
Applicant:
SAMSUNG MOBILE DISPLAY CO., LTD.
Inventors:
Byoung-Keon Park, Jong-Ryuk Park, Tak-Young Lee, Jin-Wook Seo, Ki-Yong Lee
Abstract: A display device includes: an insulating substrate comprising a first region and a second region; a thin-film transistor (TFT) formed on the first region comprising a gate electrode, a source electrode, and a drain electrode; and a storage capacitor formed on the second region, wherein the storage capacitor comprises a first electrode, a second electrode and a first interlayer insulating film, where the first and second electrodes face each other and are made of a transparent conductive material, wherein the interlayer insulating film is interposed between the first electrode and the second electrode, and wherein the first electrode is formed on the entire surface of the first substrate as one body and receives a common voltage, and the second electrode is electrically connected to the drain electrode.
Type:
Application
Filed:
October 27, 2011
Publication date:
December 27, 2012
Applicant:
SAMSUNG MOBILE DISPLAY CO., LTD.
Inventors:
Zhi Feng Zhan, Seung-Gyu Tae, Deok-Hoi Kim
Abstract: A flat panel display having a thin-film transistor (TFT) and a pixel unit and a method of manufacturing the same are disclosed. In one embodiment, the method includes forming a step difference layer having a relatively high step and a relatively low step on a substrate and forming an amorphous silicon layer on the step difference layer along a height shape of the step difference layer. The method further includes crystallizing the amorphous silicon layer into a crystalline silicon layer and polishing the crystalline silicon layer to form a planarized surface of the crystalline silicon layer having no height differences so that the crystalline silicon layer remains on a region corresponding to the low step and an active layer is formed. According to this method, crystallization protrusions are effectively removed from the active layer, and thus, stable brightness characteristics of the display apparatus are guaranteed.
Abstract: A solar cell integrated organic light emitting diode (OLED) display is disclosed. In one embodiment, the organic light emitting diode (OLED) display includes i) a substrate, ii) an organic light emitting element formed on the substrate and including a reflection electrode, an organic emission layer, and a transparent electrode sequentially deposited from the substrate. The OLED display may further include a solar cell unit positioned on the organic light emitting element and an encapsulation member positioned on one of the organic light emitting element and the solar cell unit.
Abstract: A liquid crystal lens which controls an optical path and a display which includes the liquid crystal lens. The liquid crystal lens includes a first electrode and a second electrode facing each other, a liquid crystal layer interposed between the first electrode and the second electrode and having flat top and bottom surfaces, and a dielectric layer interposed between the second electrode and the liquid crystal layer. The dielectric layer includes a section in which capacitance between top and bottom surfaces of the dielectric layer changes along a horizontal direction.
Abstract: A pixel device having an improved energy resolution includes at least one photodiode and at least one voltage supply unit for applying a voltage to the photodiode. The pixel device includes a voltage storage unit and a voltage adjusting unit. In a precharge mode, the voltage storage unit stores a first anode voltage. In a sensing mode, the voltage adjusting unit adjusts a second anode voltage of the anode of the photodiode to be the same as the first anode voltage stored in the voltage storage unit.
Type:
Application
Filed:
March 29, 2012
Publication date:
December 20, 2012
Applicants:
SAMSUNG MOBILE DISPLAY CO., LTD., SAMSUNG ELECTRONICS CO., LTD.
Inventors:
Jae-chul Park, Young Kim, Chang-jung Kim
Abstract: A display device may include a first substrate comprising a display region and a non-display region surrounding the display region, a first metal wiring formed in the display region of the first substrate, a second metal wiring formed in the non-display region of the first substrate, a sealing member formed on the second metal wiring, and a second substrate disposed on the sealing member so as to face the first substrate. The first metal wiring and the second wiring are made of the same material.
Type:
Application
Filed:
April 23, 2012
Publication date:
December 20, 2012
Applicant:
SAMSUNG MOBILE DISPLAY CO., LTD.
Inventors:
Byung-Uk Han, Oh-Seob Kwon, Jung-Jun Im, Dong-Seop Park
Abstract: An electrostatic chuck for manufacturing a flat panel display is disclosed. In one embodiment, the electrostatic chuck includes i) a base substrate, ii) an insulating layer formed on the base substrate and iii) a conductive layer formed on the insulating layer and electrically connected to a power device. The electrostatic chuck further includes iv) a dielectric layer formed on the conductive layer and comprising an emboss part and a trench part, wherein the emboss part comprises at least one protrusion, and wherein the trench part comprises at least one channel and surrounds the emboss part and v) a cooling gas line extending through the base substrate, the insulating layer, the conductive layer, and the dielectric layer.
Abstract: An organic light emitting display device includes a hole transport layer (HTL) having a first region and a second region, an emitting layer (EML) disposed on the hole transport layer in the first region, a hydrophobic pattern disposed on the hole transport layer in the second region and an electron transport layer (ETL) disposed on the hydrophobic pattern and the emitting layer.
Type:
Application
Filed:
March 28, 2012
Publication date:
December 20, 2012
Applicant:
SAMSUNG MOBILE DISPLAY CO., LTD.
Inventors:
Hyea-Weon Shin, Seung-Mook Lee, Sang-Hun Park, Jae-Bok Kim, Young-Il Kim, Jae-Kook Ha
Abstract: A display apparatus includes an enhanced sealing portion. The display apparatus includes a substrate unit that includes a first substrate and a second substrate facing each other; a sealing portion that is disposed between the first substrate and the second substrate; and a metal film that is disposed between the first substrate and the sealing portion. Open holes having different sizes are formed in proportion to energy intensities of an energy source applied to the metal film. During sealing in a sealing region by using a laser, since the metal film having a specific shape is patterned, even when energy having an irregular Gaussian shape is applied, uniform energy may be applied to the sealing portion. Accordingly, an adhesive force in the sealing region may be increased.
Abstract: A compound represented by Formula 1 below: (R1)a—CB—[Ar]n—CB—(R2)b??<Formula 1> wherein CB denotes carborane, Ar is a substituted or unsubstituted phenylene group, and a detailed description of R1, R2, a, b, and n is provided in the detailed description. An organic light-emitting diode including an organic layer including the compound has high luminous efficiency.
Type:
Application
Filed:
March 15, 2012
Publication date:
December 20, 2012
Applicants:
Korea Advanced Institute of Science and Technology, SAMSUNG MOBILE DISPLAY CO., LTD.