Abstract: An organic light emitting display device including: a substrate; a sealing member; an organic light emitting device between the substrate and the sealing member and for displaying images; a selective light absorbing layer on a surface of the sealing member facing the organic light emitting device and including pigments for selectively absorbing light; and a black matrix layer on the selective light absorbing layer corresponding to non-emission areas of the organic light emitting device.
Type:
Grant
Filed:
March 9, 2011
Date of Patent:
August 7, 2012
Assignee:
Samsung Mobile Display Co., Ltd.
Inventors:
Yoon-Hyeung Cho, Jong-Hyuk Lee, Min-Ho Oh, Byoung-Duk Lee, So-Young Lee, Sun-Young Lee, Won-Jong Kim, Yong-Tak Kim, Jin-Baek Choi
Abstract: An organic light emitting display including a scan signal line forwarding a scan signal, a data line sending a data signal and a pixel coupled to the scan signal line and the data line, the organic light emitting diode display, wherein the pixel includes a first switching transistor transmitting a data signal from the data line in response to the scan signal of the scan signal line, a driving transistor, coupled to the first switching transistor, controlling driving current from a first power source line, a storage capacitor coupled between the driving transistor and the first power source line, an organic light emitting diode, coupled between the driving transistor and a second power source line, displaying an image with the driving current controlled by the driving transistor, an initial switching transistor, coupled between the storage capacitor and an initial power source line, initializing the storage capacitor, and a switching transistor for applying a reverse bias, coupled between the second power sour
Abstract: An organic light emitting diode (OLED) display and a method of manufacturing the same, the OLED display including a flexible substrate, a driving circuit unit on the flexible substrate, the driving circuit unit including a thin film transistor (TFT), an organic light emission element on the flexible substrate, the organic light emission element being connected to the driving circuit unit, an encapsulating thin film on the flexible substrate, the encapsulating thin film covering the organic light emission element and the driving circuit unit, a first protection film facing the encapsulating thin film, a second protection film facing the flexible substrate, a first sealant disposed between the encapsulating thin film and the first protection film, and a second sealant disposed between the flexible substrate and the second protection film.
Type:
Grant
Filed:
June 4, 2010
Date of Patent:
August 7, 2012
Assignee:
Samsung Mobile Display Co., Ltd.
Inventors:
Tae-Woong Kim, Dong-un Jin, Dong-Bum Lee, Denis Stryakhilev
Abstract: A pixel capable of improving response characteristics and displaying an image having a uniform image quality, and an organic light emitting display device using the same. The pixel includes an organic light emitting diode coupled between first power and second power; a pixel circuit coupled between the first power and the organic light emitting diode for supplying a driving current to the organic light emitting diode; and a first transistor for supplying a reset voltage to an anode electrode of the organic light emitting diode during a first period when a previous scan signal is supplied to a previous scan line.
Abstract: Provided are an organic light emitting display device and a method of manufacturing the same. The organic light emitting display device includes a substrate; at least one thin film transistor including a gate electrode including a metal oxide layer and a metal layer, a semiconductor layer including source/drain regions and a channel layer; at least one capacitor including a first electrode formed on a layer on which the gate electrode is formed by using a material forming the gate electrode, and a second electrode formed on a layer on which the source/drain electrodes are formed by using a material used to form the source/drain electrodes; and at least one organic light emitting device including a pixel electrode formed on a layer on which the gate electrode is formed by using a material used to form the gate electrode and connected to the source/drain electrodes via a contact hole.
Abstract: An organic light emitting diode (OLED) display is provided. The OLED display includes: a substrate member; an OLED that includes a pixel electrode that is formed on the substrate member, an organic light emitting layer that is formed on the pixel electrode, and a transflective common electrode that is formed on the organic light emitting layer; an encapsulation thin film that is formed on the transflective common electrode; and a touch panel that includes a first touch conductive layer that is formed on the encapsulation thin film and that is formed with a transflective metal film, a glass substrate that is formed on the first touch conductive layer, and a second touch conductive layer that is formed on the glass substrate. In some embodiments, the transflective common electrode has reflectivity of less than 50%. Some of the external light is thus reflected again to the first touch conductive layer and back to the transflective common electrode and so on.
Type:
Grant
Filed:
July 29, 2009
Date of Patent:
August 7, 2012
Assignee:
Samsung Mobile Display Co., Ltd.
Inventors:
Eun-Ah Kim, Noh-Min Kwak, Hee-Seong Jeong, Joo-Hwa Lee, Chul-Woo Jeong, Soon-Ryong Park, Woo-Suk Jung, Hee-Chul Jeon
Abstract: A shift register is disclosed. The shift register has a plurality of stages dependently coupled to an input line of a start pulse and is driven by first, second and third clock signals respectively input to first, second and third input lines. The shift register includes a voltage controller to prevent leakage currents.
Abstract: An organic light emitting diode (OLED) display includes a display substrate including a display substrate including an organic light emitting element and a pixel defining layer having an opening defining a light emitting region of the organic light emitting element, an encapsulation substrate arranged opposite to the display substrate, a sealant arranged at an edge between the display substrate and the encapsulation substrate to seal a space between the display substrate and the encapsulation substrate from an outside and a filler filling the space between the display substrate and the encapsulation substrate, wherein the pixel defining layer has a thickness that varies by location, and a portion of the pixel defining layer closest to the sealant at edges of the display substrate having a thickness that is greater than a thickness of the pixel defining layer at all other portions of the display.
Abstract: An organic light emitting display is disclosed. The display includes a scan line, a data line, and a pixel coupled to the scan line and the data line. The pixel is configured to at least partially compensate for transistor threshold variation and for IR-drop in a power supply line, where the pixel includes no more than three transistors and no more than two capacitors.
Abstract: A backlight unit having improved luminance and reduced profile, and a liquid crystal display including the same are disclosed. In one embodiment, the backlight unit includes: i) a light source, ii) a light guiding plate including an incoming surface on which light generated from the light source is incident, an upper surface substantially perpendicularly extended with respect to the incoming surface, and a bottom surface arranged facing the upper surface and iii) an optical sheet formed on the light guiding plate. The upper surface of the light guiding plate includes a guiding surface, an incoming surface, and an emission surface sequentially arranged close to the incoming surface of the light guiding plate, and the optical sheet may be formed to cover the inclined surface and the guiding surface.
Abstract: Provided is a display device that includes: a gate line disposed on a substrate, the gate line including a protruding gate electrode; a data line extending across the gate line, the data line having first and second segments spaced apart from each other; a semiconductor pattern overlapping with the gate electrode; a drain electrode that contacts a drain region of the semiconductor pattern and connects the first and second segments; a source electrode that contacts a source region of the semiconductor pattern; and a storage electrode overlapping with the data line.
Abstract: Provided is an organic electroluminescent device including an organic layer interposed between a pair of electrodes, the organic layer including a layer formed of a titanium oxide derivative or a mixture layer containing a titanium oxide derivative. The organic electroluminescent device has higher luminescent efficiency, a longer lifetime and a lower operating voltage than a conventional organic electroluminescent device, and can be easily manufactured.
Type:
Grant
Filed:
December 4, 2006
Date of Patent:
July 24, 2012
Assignee:
Samsung Mobile Display Co., Ltd.
Inventors:
Jong-Jin Park, Yu-Jin Kim, Sang-Hoon Park, Jhun-Mo Son
Abstract: An organic light-emitting display device including: a gate electrode formed on a substrate; a first insulating layer formed on the gate electrode; an active layer formed on the first insulating layer, facing the gate electrode; a second insulating layer formed on the first insulating layer, having first openings to expose the active layer; source/drain electrodes formed on the second insulating layer, so as to be connected to exposed portions of the active layer through the first openings; and a metal layer formed on the active layer and contacting the second insulating layer.
Type:
Grant
Filed:
February 9, 2011
Date of Patent:
July 24, 2012
Assignee:
Samsung Mobile Display Co., Ltd.
Inventors:
Huiwon Yang, Ki-Ju Im, Chaun-Gi Choi, Eun-Hyun Kim, Steve Y. G. Mo
Abstract: A structure for repairing a line defect in which a short can be easily repaired using an adjacent wiring line despite limited repairing space and a method of repairing the defect are disclosed.
Abstract: An organic thin film transistor (TFT) that allows an organic semiconductor layer to be easily patterned includes a gate electrode, source and drain electrodes insulated from the gate electrode, a self-assembly monolayer formed on the source and drain electrodes, an organic semiconductor layer which is insulated from the gate electrode and covers at least a portion of the self-assembly monolayer. A flat panel display apparatus includes the organic TFT. A method of manufacturing an organic TFT includes forming source and drain electrodes on a substrate; forming a self-assembly monolayer covering at least the source and drain electrodes; patterning the self-assembly monolayer to remove portions of the self-assembly monolayer that are not located on the source and drain electrodes; and forming an organic semiconductor layer by inkjet printing an organic semiconductor material between the source and drain electrodes.
Type:
Grant
Filed:
November 9, 2006
Date of Patent:
July 24, 2012
Assignee:
Samsung Mobile Display Co., Ltd.
Inventors:
Sang-Min Lee, Min-chul Suh, Yong-Woo Park
Abstract: An organic light emitting display that prevents a material used to form a source electrode and a drain electrode from being diffused into an active layer and reduces contact resistance between the source and drain electrodes and a first electrode includes: a substrate; an active layer arranged on the substrate and including silicon; a gate electrode arranged on the substrate and insulated from the active layer; a source electrode and a drain electrode each of a single layer structure, insulated from the gate electrode, and electrically connected to the active layer; a first electrode electrically connected to either the source electrode or the drain electrode; an organic light emitting layer arranged on the first electrode; and a second electrode arranged on the organic light emitting layer, each source electrode and drain electrode includes an aluminum alloy containing nickel and silicon.
Abstract: Provided is a cyclometalated transition metal complex represented by Formula 1, Formula 2 or Formula 3: By including a new ancillary ligand, the cyclometalated transition metal complex can efficiently emit red light using a phosphor by intersystem crossing (ISC) of excitons to triplet states and then metal to ligand charge transfer (MLCT). An organic light emitting device prepared using the transition metal compound shows high luminous efficiency and high external quantum efficiency.
Type:
Grant
Filed:
December 5, 2006
Date of Patent:
July 24, 2012
Assignee:
Samsung Mobile Display Co., Ltd.
Inventors:
Young-Hun Byun, Hee-Kyung Kim, Lyong-Sun Pu, Shinichiro Tamura, Das Rupasree Ragini, Jong-Jin Park, Byoung-Ki Choi, Yi-Yeol Lyu, O-Hyun Kwon, Young-Mok Son
Abstract: An organic light emitting display device (OLED) including: a substrate including a plurality of pixel units; first electrodes disposed in the pixel units; first subsidiary electrodes completely covering the top surfaces of corresponding ones of the first electrodes; first electrode protection units disposed on edges of the first electrodes on which the first subsidiary electrodes are not disposed; a pixel defining layer disposed on the substrate, having holes to expose the first electrodes; a light emission layer; and a second electrode disposed on the light emission layer. The light emission layer includes organic emission layers (EMLs) disposed on the first electrodes. The light emission layer may include subsidiary hole injection layers disposed on selected ones of the first electrodes, to vary a distance between the first electrodes and portions of the second electrode.
Type:
Grant
Filed:
January 27, 2010
Date of Patent:
July 24, 2012
Assignee:
Samsung Mobile Display Co., Ltd.
Inventors:
Sung-ho Kim, Ju-won Yoon, Su-Mi Lee, Il-Jeong Lee, Kwan-Hee Lee
Abstract: A laser beam irradiation apparatus irradiates a laser beam to a sealing unit disposed between a first substrate and a second substrate to seal the first substrate and the second substrate. The laser beam irradiation apparatus includes a laser head for irradiating the laser beam; and a control unit for controlling a drive-velocity and a drive-direction of the laser beam. The laser beam is controlled by the control unit which repetitively performs a backward and forward movement along a first direction, and passes a same position at least twice.
Type:
Grant
Filed:
December 28, 2010
Date of Patent:
July 24, 2012
Assignee:
Samsung Mobile Display Co., Ltd.
Inventors:
Alexander Voronov, Gyoo-Wan Han, Tae-Wook Kang, Cheol-Lae Roh
Abstract: A top emission type white organic light emitting device (OLED) has a high resolution and a wide color gamut, and a color display apparatus uses the same. The white OLED includes a substrate; a reflective electrode formed on the substrate; an organic light emitting layer formed on the reflective electrode; a semi-transparent electrode formed on the organic light emitting layer; and in the white OLED, a wavelength of a resonating mode determined by an optical thickness between the reflective electrode and semi-transparent electrode is shorter than a shortest wavelength in a visible light region of a white light spectrum generated in the organic light emitting layer.
Type:
Grant
Filed:
May 22, 2008
Date of Patent:
July 24, 2012
Assignees:
Samsung Electronics Co., Ltd., Samsung Mobile Display Co., Ltd.
Inventors:
Sung-hun Lee, Sung-kee Kang, Sang-yeol Kim, Mu-gyeom Kim, Jung-bae Song