Patents Assigned to Mobile Display Co., Ltd.
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Patent number: 9041017Abstract: An organic light-emitting display device includes a first substrate and a second substrate; an organic light-emitting device disposed between the first and second substrates and includes a pixel electrode separately formed in each pixel, a common electrode, and an organic light-emitting layer disposed between the pixel electrode and the common electrode; and an electrode unit and at least one wiring unit that are disposed between the first substrate and the second substrate, the electrode unit including at least one thin-film transistor for transmitting a light-emitting signal to the pixel electrode and at least one capacitor, wherein an optical property modification layer obtained by modifying an optical property of at least one of the electrode unit and the wiring unit is formed on a surface of the at least one of the electrode unit and the wiring unit.Type: GrantFiled: March 5, 2012Date of Patent: May 26, 2015Assignee: Samsung Mobile Display Co., Ltd.Inventors: Len Kaplan, Valeriy Prushinskiy, Se-Ho Cheong, Won-Sik Hyun, Byoung-Seong Jeong, Jang-Seok Ma
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Patent number: 9007359Abstract: A display device having active level shift (ALS) lines and ALS drivers connected to the ALS lines removed from the display device, and a gate line at a rear end pixel area is used instead of the ALS line to obtain the effect of the ALS lines. Accordingly, a pixel aperture ratio may be increased and a width of an outer black matrix may be reduced.Type: GrantFiled: February 18, 2011Date of Patent: April 14, 2015Assignee: Samsung Mobile Display Co., Ltd.Inventors: Seung-Gyu Tae, Sang-Jin Park
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Patent number: 8889271Abstract: Disclosed are a novel-structural compound including a 5-membered heterocycle, an organic electronic device using the same, and a terminal thereof.Type: GrantFiled: April 30, 2010Date of Patent: November 18, 2014Assignees: Duksan High Metal Co., Ltd., Samsung Mobile Display Co., Ltd.Inventors: Junghwan Park, Daesung Kim, Jungcheol Park, Kiwon Kim, Jinuk Ju, Jangyeol Baek, Soungyun Mun, Yongwook Park, Hwasoon Jung, Wonsam Kim, Jihun Byun, Sungjin Park, Eunkyung Kim, Daehyuk Choi, Dongha Kim, Hansung Yu, Kwanhee Lee, Taeshick Kim, Daeyup Shin, Mikyung Kim, Dongheon Kim
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Patent number: 8590338Abstract: An evaporator includes a vaporization chamber having a monomer inlet and a vapor outlet. There is a vapor nozzle in the vapor outlet. The evaporator also includes a collar positioned between the vaporization chamber and the vapor nozzle which increases the pressure in the evaporation chamber while the conductance through the nozzle is substantially unchanged.Type: GrantFiled: December 31, 2009Date of Patent: November 26, 2013Assignee: Samsung Mobile Display Co., Ltd.Inventors: Damien Boesch, Martin Rosenblum
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Publication number: 20130235017Abstract: Disclosed is a power supply unit including a DC-DC converter including an output terminal and resistor coupling terminal and an external resistor coupled to the resistor coupling terminal, where the DC-DC converter includes a first power generation unit which outputs a predetermined current to the output terminal, and a sensing circuit unit that includes a sensing resistor located between the first power generation unit and the output terminal and stops an operation of the first power generation unit depending on a current value flowing in the sensing resistor. A power supply unit and an organic light emitting display including the power supply unit include a sensing circuit unit that stops operation of the power supply unit to prevent an additional damage when an abnormal current occurs.Type: ApplicationFiled: June 28, 2012Publication date: September 12, 2013Applicant: Samsung Mobile Display Co., Ltd.Inventor: Sung-Cheon Park
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Publication number: 20130235010Abstract: Disclosed are a direct current converter and an organic light emitting display including the converter. The converter includes a power supply generating an input power, a first power generator receiving the input power and a selected voltage from a selector and generating a first voltage, a first output terminal connected to the first power generator and outputting the first voltage; a second power generator receiving the input power and generating a second voltage, a second output terminal connected to the second power generator and outputting the second voltage, an external feedback wiring providing a feedback voltage, a feedback terminal connected to the external feedback wiring and inputting the feedback voltage to the selector, and the selector connected to and transferring the selected voltage to the first power generator, where the selected voltage is one of the feedback voltage and the voltage output from the first output terminal.Type: ApplicationFiled: June 28, 2012Publication date: September 12, 2013Applicant: Samsung Mobile Display Co., Ltd.Inventor: Sung-Cheon Park
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Publication number: 20130208015Abstract: An organic light emitting diode (OLED) display is disclosed. In one embodiment, the OLED display includes a panel including pixels which are configured to control an amount of current that flows from a first power source to a second power source to generate an image of predetermined brightness. The display may also include at least one first power source line formed on a top of the panel and at least one second power source line positioned on a bottom of the panel to face the first power source line. The display may further include a first switch configured to alternately supply the first power source to the first power source line and the second power source line.Type: ApplicationFiled: April 30, 2012Publication date: August 15, 2013Applicant: Samsung Mobile Display Co., Ltd.Inventors: Ki-Wook Kim, Wang-Jo Lee, Dae-Hyun Noh
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Publication number: 20130208021Abstract: A display device including a display panel having first pixels emitting light in a first field and second pixels emitting light in a second field is disclosed. According to one aspect, the display device includes a controller configured to extract first field data transmitted to the first pixels and second field data transmitted to the second pixels from input data, divide the first field data, insert black data between two neighboring first field data to generate first output data, divide the second field data, and insert black data between two neighboring second field data to generate second output data. The display device also includes a data driver configured to transmit a first data signal based on the first output data to the display panel in the first field and transmitting a second data signal based on the second output data to the display panel in the second field.Type: ApplicationFiled: July 30, 2012Publication date: August 15, 2013Applicant: Samsung Mobile Display Co., Ltd.Inventors: Seung-Woo LEE, An-Su LEE, Do-Youb KIM
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Publication number: 20130208019Abstract: A display device and an image data memory arrangement method thereof are disclosed. When driving one frame with first and second fields, an input data signal is divided into first and second field data and the first and second field data are respectively arranged according to a light emitting driving sequence to control the light emitting for each field to be displayed. The first and second field data signals respectively include a color data signal pattern in which the data signals transmitted to the pixels corresponding to the same pixel column among the pixels respectively included in the first pixel row and the fourth pixel row display the same color, and the data signals transmitted to the pixels corresponding to the same pixel column among the pixels respectively included in the second pixel row and the third pixel row display the same color.Type: ApplicationFiled: July 24, 2012Publication date: August 15, 2013Applicant: Samsung Mobile Display Co., Ltd.Inventors: An-Su Lee, Byung-Geun Jun, Do-Youb Kim, Seung-Woo Lee, Myung-Ho Lee
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Publication number: 20130208016Abstract: A display apparatus is disclosed. In one aspect the apparatus includes an encoder configured to encode a Nth first image data, where N is an integer of 2 or greater and a (N?1)th second image data at different rates. The display further includes a memory configured to store the encoded Nth first image data and the encoded (N?1)th second image data, a decoder configured to decode the encoded Nth first image data and the encoded (N?1)th second image data received from the memory and, an image processor configured to perform color processing on the decoded Nth first image data. It also includes an image converter configured to convert the Nth first image data received from the image processor into Nth second image data and an image quality enhancer configured to enhance image quality of the Nth second image data based on the decoded (N?1)th second image data.Type: ApplicationFiled: May 22, 2012Publication date: August 15, 2013Applicant: Samsung Mobile Display Co., Ltd.Inventors: Jong-Woong Park, Yong-Seok Choi, Byung-Hyun Kim, Geun-Young Jeong, Ju-Hyung Lee
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Publication number: 20130207954Abstract: A power supply device includes an SMPS circuit including an electric transformer having first and second stages, the SMPS circuit generating a second stage output voltage using the electric transformer, a power switcher receiving and switching the second stage output voltage to generate a first power voltage having logic high and low levels in one frame, and a PWM controller controlling a voltage level of the second stage output voltage by providing a control signal to the first stage. The first power voltage is simultaneously provided to a plurality of pixels, and a magnitude of the logic low level is increased or decreased according to a magnitude of an image load, where the magnitude of the image load is dependent on a color and a gradation level of an image to be displayed in a next frame.Type: ApplicationFiled: June 8, 2012Publication date: August 15, 2013Applicant: Samsung Mobile Display Co., Ltd.Inventor: Hak-Ki Choi
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Publication number: 20130201171Abstract: A display device for preemptively preventing an error caused by a fault in the scan circuit is disclosed. In one aspect, it includes: a display including a plurality of pixels connected to a plurality of scan lines and a plurality of data lines, a scan driver for sequentially applying a plurality of scan signals to the scan lines, and a signal controller for controlling the scan driver. In addition, the signal controller receives a final scan signal that is output for the last time from among the scan signals from the scan driver, detects output timing of the final scan signal, and determines whether the scan driver is normally driven. Accordingly, a display error caused by a fault of the scan circuit can be preemptively prevented.Type: ApplicationFiled: May 18, 2012Publication date: August 8, 2013Applicant: Samsung Mobile Display Co., Ltd.Inventor: June-Young Song
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Publication number: 20130200338Abstract: An amine-based compound and an organic light-emitting diode including the amine-based compound.Type: ApplicationFiled: August 29, 2012Publication date: August 8, 2013Applicant: Samsung Mobile Display Co., Ltd.Inventors: Young-Kook Kim, Seok-Hwan Hwang, Hye-Jin Jung, Jin-O Lim, Sang-Hyun Han, Eun-Jae Jeong, Soo-Yon Kim, Jun-Ha Park, Eun-Young Lee, Jong-Hyuk Lee
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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: 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: 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: 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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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: 20130134424Abstract: A thin film transistor array substrate may include a thin film transistor including an active layer, a gate electrode, source and drain electrodes, a first insulation layer arranged between the active layer and the gate electrode, and a second insulation layer arranged between the gate electrode and the source and drain electrodes, a pixel electrode arranged on the first insulation layer and comprising the same material as the gate electrode, a capacitor comprising a first electrode arranged on the same layer as the active layer and a second electrode arranged on the same layer as the gate electrode, a pad electrode arranged on the second insulation layer and comprising the same material as the source and drain electrodes, a protection layer formed on the pad electrode, and a third insulation layer formed on the protection layer and exposing the pixel electrode.Type: ApplicationFiled: June 28, 2012Publication date: May 30, 2013Applicant: Samsung Mobile Display Co., Ltd.Inventors: Dae-Woo KIM, Jong-Hyun PARK
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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