Patents Assigned to Mobile Display Co., Ltd.
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Publication number: 20130194761Abstract: In a flexible display device including flexibility and toughness, and a method of manufacturing the flexible display device, the flexible display device includes a glass substrate, a flexible substrate and a display unit which are sequentially stacked, and the flexible display device has a structure wherein a surface area of the flexible substrate is larger than a surface area of the glass substrate. A volume of the device may be significantly reduced for convenience of portability since a flexible area where the glass substrate is not located may be folded or rolled. Also, a stable circuit connection may be guaranteed since the driving chip is installed on a hard area which does not go through a heating process in order to separate the glass substrate and the flexible substrate during the manufacturing process.Type: ApplicationFiled: April 10, 2012Publication date: August 1, 2013Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventor: Min-Cheol Kim
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Pixel Circuit, Method of Driving the Same, and Organic Light Emitting Display Device Having the Same
Publication number: 20130194248Abstract: A method of driving a pixel circuit includes initializing a driving transistor and a storage capacitor by simultaneously applying an initialization voltage and a first power voltage to a gate electrode of the driving transistor and the storage capacitor, respectively, diode-coupling the driving transistor, applying a data voltage to the storage capacitor, applying the data voltage to the gate electrode of the driving transistor by a coupling of a compensation capacitor coupled between the gate electrode of the driving transistor and the storage capacitor, and applying a current corresponding to the first power voltage and the data voltage to an organic light emitting diode that is coupled to the driving transistor.Type: ApplicationFiled: June 21, 2012Publication date: August 1, 2013Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventor: Tae-Jin Kim -
Publication number: 20130189433Abstract: A vapor deposition apparatus includes a stage on which a substrate is mounted; a heater unit that is disposed at a side of the stage and includes a first heater and a second heater, wherein the first heater and the second heater are movable so that the first heater and the second heater are spaced apart from each other or are disposed adjacent to each other; and a nozzle unit that is disposed at a side opposite to the side at which the heater unit is disposed about the stage and includes one or more nozzles.Type: ApplicationFiled: June 22, 2012Publication date: July 25, 2013Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Choel-Min Jang, Myung-Soo Huh, Jeong-Ho Yi, Cheol-Rae Jo, Sang-Joon Seo, Seung-Hun Kim, Jin-Kwang Kim
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Publication number: 20130181967Abstract: An organic light emitting display device includes a pixel unit, a scan driver, a data driver and a voltage generation unit. The pixel unit includes a plurality of pixels coupled to a plurality of scan lines and a plurality of data lines, where each of the pixels includes an organic light emitting diode. The voltage generation unit is coupled to the pixel unit through one power line which provides the common supply voltage to the pixels. Each of the plurality of pixels includes a voltage drop unit, each voltage drop unit generates a respective drive voltage by dropping a voltage of the common supply voltage, and turns on the organic light emitting diode to emit light with a luminance corresponding to a voltage of the drive voltage based on a logic level of the data signal. The organic light emitting display device increases an aperture ratio.Type: ApplicationFiled: March 26, 2012Publication date: July 18, 2013Applicant: Samsung Mobile Display Co., Ltd.Inventors: Hae-Yeon Lee, Wang-Jo Lee, Yong-Jae Kim, Jin-Gon Oh
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Publication number: 20130175533Abstract: A substrate includes a thin film transistor (TFT) which includes an active layer, a gate electrode, a source electrode, and a drain electrode; a first insulating layer disposed between the active layer and the gate electrode; a second insulating layer disposed between the gate electrode and the source and drain electrodes; a third insulating layer disposed on the second insulating layer, and including a first region for opening the second insulating layer and a second region for opening one of the source and drain electrodes, the first region and the second region being integrally connected; and a first electrode connected to one of the source and drain electrodes, and disposed so as to cover the first region and the second region.Type: ApplicationFiled: June 29, 2012Publication date: July 11, 2013Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Won-Kyu Lee, Young-Jin Chang, Seong-Hyun Jin
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Publication number: 20130175534Abstract: A semiconductor device and a method of manufacturing the same are disclosed. In one embodiment, the semiconductor device includes a substrate, a first silicon nitride layer formed over the substrate, a first silicon oxide layer formed directly on the first silicon nitride layer and having a thickness of about 1000 ? or less, and a hydrogenated polycrystalline silicon layer formed directly on the first silicon oxide layer.Type: ApplicationFiled: May 22, 2012Publication date: July 11, 2013Applicant: Samsung Mobile Display Co., Ltd.Inventors: Yun-Mo Chung, Ki-Yong Lee, Jin-Wook Seo, Jong-Ryuk Park
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Publication number: 20130175550Abstract: In a donor film, an organic light emitting diode display manufacturing method using the same, and an organic light emitting diode display manufactured by using the method, the donor film includes a donor substrate and a transfer layer formed on the donor substrate. The donor substrate includes a base film, a light-to-heat conversion (LTHC) layer disposed on the base film, and a curved interlayer film provided on the light-to-heat conversion layer and having a wrinkled side. The transfer layer includes an organic emission layer which is formed so as to be curved along a shape of the wrinkled side of the curved interlayer film.Type: ApplicationFiled: April 2, 2012Publication date: July 11, 2013Applicant: Samsung Mobile Display Co., Ltd.Inventors: Ha-Jin SONG, Sang-Woo PYO, Byeong-Wook YOO, Hyo-Yeon KIM, Ji-Young KWON, Hye-Yeon SHIM, Kwan-Hee LEE
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Publication number: 20130168555Abstract: An X-ray detection panel includes a substrate, a sensor device formed over the substrate, a scintillating layer formed over the sensor device, an adhesion layer formed around the scintillating layer, and a protective film formed over the scintillating layer and the adhesion layer. The X-ray detection panel further includes a side sealing structure formed over a side surface of the adhesion layer, over a side surface of the protective film and over the substrate.Type: ApplicationFiled: April 27, 2012Publication date: July 4, 2013Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventor: Jang-Won MOON
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Publication number: 20130168644Abstract: An organic light-emitting display apparatus includes a substrate, a pixel electrode disposed on the substrate, an opposing electrode disposed on the pixel electrode and transmitting light therethrough, an organic light-emitting layer disposed between the pixel electrode and the opposing electrode and emitting light toward at least the opposing electrode, a first transmission layer disposed on the opposing electrode and transmitting the light emitted from the organic light-emitting layer therethrough, and a second transmission layer disposed on a path of the light emitted from the organic light-emitting layer on the first transmission layer, and comprising a plurality of first materials having first refractive indices and a second material having a second refractive index. The first refractive indices are greater than the second refractive index, and the plurality of first materials are disposed inside the second material.Type: ApplicationFiled: June 29, 2012Publication date: July 4, 2013Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventor: Soon-Ryong Park
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Publication number: 20130168712Abstract: An organic light-emitting display apparatus includes: a substrate; a pixel electrode disposed on the substrate; a counter electrode disposed on the pixel electrode and capable of transmitting light; an organic emission layer disposed between the pixel electrode and the counter electrode so as to emit light toward at least the counter electrode; and a light-transmitting layer disposed on the counter electrode along a path of light emitted from the organic emission layer and including at least one inorganic film and organic films separated by the inorganic film. At least two of the organic films each include a first material having a first refractive index and a second material having a second refractive index. The first refractive index is greater than the second refractive index, and the first material is dispersed in the second material in the form of plurality of particles.Type: ApplicationFiled: April 13, 2012Publication date: July 4, 2013Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Hee-Seong Jeong, Soon-Ryong Park, Sun-Hwa Kim
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Publication number: 20130162619Abstract: A display apparatus and a method of repairing a display apparatus are disclosed. According to one aspect, the display includes a plurality of unit pixels each including a plurality of sub pixels, scan lines branching off a scan wire in a first direction for each of the plurality of unit pixels and connecting the plurality of sub pixels emitting the same color as that of a neighboring unit pixel, data lines extending in a second direction orthogonal to the first direction and connected to the plurality of sub pixels, a first power supply line extending in the second direction and connected to the plurality of sub pixels, and second power supply lines extending in the first direction and connected to the first power supply line.Type: ApplicationFiled: June 18, 2012Publication date: June 27, 2013Applicant: Samsung Mobile Display Co., Ltd.Inventors: June-Woo Lee, Jae-Beom Choi, Kwan-Wook Jung, Guang-Hai Jin
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Publication number: 20130155032Abstract: A display apparatus includes: a substrate having a display area and anon-display area; a display device formed on the display area; a bending embodiment unit formed on the non-display area and including bimetal elements; and a control unit for controlling bending of each of the bimetal elements so as to improve convenience to the user.Type: ApplicationFiled: March 23, 2012Publication date: June 20, 2013Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventor: Tae-Eun Kim
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Publication number: 20130155033Abstract: An organic light emitting display device includes a pixel unit including a plurality of pixels formed in regions where a plurality of scan lines and a plurality of data lines cross each other, a first scan driving unit detecting a defect of the plurality of pixels by sequentially applying a first test signal to the plurality of scan lines, and a second scan driving unit detecting a defect of the plurality of pixels by simultaneously applying a second test signal to the plurality of scan lines.Type: ApplicationFiled: June 20, 2012Publication date: June 20, 2013Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Guang-Hai Jin, Jae-Beom Choi, Kwan-Wook Jung, June-Woo Lee, Moo-Jin Kim, Ga-Young Kim
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Publication number: 20130140529Abstract: Disclosed is an organic light emitting device having an improved light emitting quality, by which a leakage current generated between pixels when a current flows from one pixel to an adjacent pixel of a light emitting part may be prevented, making it possible to prevent undesired emission of light in the adjacent pixel and improve light emitting quality.Type: ApplicationFiled: June 29, 2012Publication date: June 6, 2013Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Ju-Yeop Seong, Jae-Hoon Hwang, Jae-Hyun Kim, Jae-Young Lee, Chul-Hwan Park, Chang-Woo Shim, Sola Lee
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Publication number: 20130143378Abstract: In one aspect, a method of forming a polysilicon (poly-Si) layer and a method of manufacturing a thin film transistor (TFT) using the poly-Si layer is provided. In one aspect, the method of forming a polysilicon (poly-Si) layer includes forming an amorphous silicon (a-Si) layer on a substrate in a chamber; cleaning the chamber; removing fluorine (F) generated while cleaning the chamber; forming a metal catalyst layer for crystallization, on the a-Si layer; and crystallizing the a-Si layer into a poly-Si layer by performing a thermal processing operation.Type: ApplicationFiled: May 31, 2012Publication date: June 6, 2013Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Jong-Ryuk Park, Yun-Mo Chung, Tak-Young Lee, Kil-Won Lee
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Publication number: 20130141412Abstract: A pixel circuit includes an OLED having a cathode coupled to a power source voltage, a first transistor having a second electrode coupled to an anode of the OLED, and a gate electrode coupled to a gate control-line, a second transistor having a second electrode coupled to a first electrode of the first transistor, a third transistor having a first electrode coupled to another power source voltage, a second electrode coupled to a first electrode of the second transistor, and a gate electrode coupled to a gate control-line, a fourth transistor having a first electrode coupled to a gate electrode of the second transistor, a second electrode coupled to the anode of the OLED, and a gate electrode coupled to a scan-line, and a capacitor coupled between the gate electrode of the second transistor and the second electrode of the third transistor.Type: ApplicationFiled: March 9, 2012Publication date: June 6, 2013Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Chul-Kyu Kang, Seong-Il Park, Yong-Sung Park
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Publication number: 20130140551Abstract: A transistor may include a channel layer formed of an oxide semiconductor. The oxide semiconductor may include GaZnON, and a proportion of Ga content to a total content of Ga and Zn of the channel layer is about 0.5 to about 4.5 at %.Type: ApplicationFiled: July 17, 2012Publication date: June 6, 2013Applicants: SAMSUNG MOBILE DISPLAY CO., LTD, SAMSUNG ELECTRONICS CO., LTD.Inventors: Joon-seok Park, Tae-sang Kim, Hyun-suk Kim, Myung-kwan Ryu, Jong-baek Seon, Kyoung-seok Son, Sang-yoon Lee, Seok-jun Seo
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Patent number: 8456581Abstract: A liquid crystal display includes an array substrate which includes a plurality of signal lines, a plurality of scanning lines, a plurality of auxiliary capacitive lines, a plurality of pixels, an auxiliary capacitive line driving circuit, a logic circuit, a first auxiliary capacitive voltage supply line, a second auxiliary capacitive voltage supply line, and a power supply line, an opposite substrate, and a liquid crystal layer. Each of the pixels includes a switching element, a pixel electrode, and an auxiliary capacitive element. A first common line and a second common line are connected to each other on one end side and are in a non-connected state in parts other than the part on the one end side. A common voltage is supplied to the first common line and the second common line from the one end side.Type: GrantFiled: July 2, 2009Date of Patent: June 4, 2013Assignee: Toshiba Mobile Display Co., Ltd.Inventor: Hiroyuki Kimura
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Publication number: 20130133838Abstract: The invention relates generally to a vacuum peeling apparatus and a vacuum peeling method. The vacuum peeling apparatus may include a chamber, a sealing maintain frame disposed inside the chamber, a first air tube disposed along a bottom end of the sealing maintain frame and configured to be expandable, a peeling prevention panel configured so as to be inserted into a center of the sealing maintain frame, and a second air tube disposed along an end of the peeling prevention panel.Type: ApplicationFiled: May 10, 2012Publication date: May 30, 2013Applicant: Samsung Mobile Display Co., Ltd.Inventor: Dong-Sul KIM
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Publication number: 20130133573Abstract: A deposition mask includes a mask main body and a coating layer. The mask main body includes a plurality of slits penetrating the mask main body. The coating layer is coated on an entire surface of the mask main body. The coating layer is made of a material different from a material of the main body, and it has a magnetic force stronger than that of the main body. Each of the slits has an open area, and a thickness of the coating layer controls a width of the open area. A photolithography process is used to form the plurality of slits.Type: ApplicationFiled: May 9, 2012Publication date: May 30, 2013Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Sung-Joong JOO, Myung-Soo HUH, Suk-Won JUNG, Choel-Min JANG, Sung-Yong LEE, Cheol-Rae JO, In-Ae HAN